diff --git a/src/main/java/net/Indyuce/mmocore/api/player/social/FriendRequest.java b/src/main/java/net/Indyuce/mmocore/api/player/social/FriendRequest.java
index d63ed98e..93ad5430 100644
--- a/src/main/java/net/Indyuce/mmocore/api/player/social/FriendRequest.java
+++ b/src/main/java/net/Indyuce/mmocore/api/player/social/FriendRequest.java
@@ -6,32 +6,23 @@ import net.Indyuce.mmocore.api.player.PlayerData;
 import org.bukkit.Sound;
 
 public class FriendRequest extends Request {
-	private final PlayerData target;
+    public FriendRequest(PlayerData creator, PlayerData target) {
+        super(creator, target);
+    }
 
-	public FriendRequest(PlayerData creator, PlayerData target) {
-		super(creator);
+    @Override
+    public void whenDenied() {
+        getTarget().getPlayer().playSound(getTarget().getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1);
+    }
 
-		this.target = target;
-	}
-
-	public PlayerData getTarget() {
-		return target;
-	}
-
-	public void deny() {
-		MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
-		if(!target.isOnline()) return;
-		target.getPlayer().playSound(target.getPlayer().getLocation(), Sound.ENTITY_VILLAGER_NO, 1, 1);
-	}
-
-	public void accept() {
-		getCreator().setLastActivity(PlayerActivity.FRIEND_REQUEST, 0);
-		getCreator().addFriend(target.getUniqueId());
-		target.addFriend(getCreator().getUniqueId());
-		if(target.isOnline() && getCreator().isOnline()) {
-			MMOCore.plugin.configManager.getSimpleMessage("now-friends", "player", target.getPlayer().getName()).send(getCreator().getPlayer());
-			MMOCore.plugin.configManager.getSimpleMessage("now-friends", "player", getCreator().getPlayer().getName()).send(target.getPlayer());
-		}
-		MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
-	}
+    @Override
+    public void whenAccepted() {
+        getCreator().setLastActivity(PlayerActivity.FRIEND_REQUEST, 0);
+        getCreator().addFriend(getTarget().getUniqueId());
+        getTarget().addFriend(getCreator().getUniqueId());
+        if (getCreator().isOnline()) {
+            MMOCore.plugin.configManager.getSimpleMessage("now-friends", "player", getTarget().getPlayer().getName()).send(getCreator().getPlayer());
+            MMOCore.plugin.configManager.getSimpleMessage("now-friends", "player", getCreator().getPlayer().getName()).send(getTarget().getPlayer());
+        }
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/net/Indyuce/mmocore/api/player/social/Request.java b/src/main/java/net/Indyuce/mmocore/api/player/social/Request.java
index 54cd1bd7..50d4e0ee 100644
--- a/src/main/java/net/Indyuce/mmocore/api/player/social/Request.java
+++ b/src/main/java/net/Indyuce/mmocore/api/player/social/Request.java
@@ -1,31 +1,55 @@
 package net.Indyuce.mmocore.api.player.social;
 
+import net.Indyuce.mmocore.MMOCore;
+import net.Indyuce.mmocore.api.player.PlayerData;
+import org.apache.commons.lang.Validate;
+
 import java.util.UUID;
 
-import net.Indyuce.mmocore.api.player.PlayerData;
-
 public abstract class Request {
-	private final UUID uuid = UUID.randomUUID();
-	private final long date = System.currentTimeMillis();
-	private final PlayerData creator;
+    private final UUID uuid = UUID.randomUUID();
+    private final long date = System.currentTimeMillis();
+    private final PlayerData creator, target;
 
-	public Request(PlayerData creator) {
-		this.creator = creator;
-	}
+    /**
+     * Any request time out is by default 2 minutes.
+     */
+    private static final long TIME_OUT = 1000 * 60 * 2;
 
-	public PlayerData getCreator() {
-		return creator;
-	}
+    public Request(PlayerData creator, PlayerData target) {
+        this.creator = creator;
+        this.target = target;
+    }
 
-	public UUID getUniqueId() {
-		return uuid;
-	}
+    public PlayerData getCreator() {
+        return creator;
+    }
 
-	public boolean isTimedOut() {
-		return date + 1000 * 60 * 2 < System.currentTimeMillis();
-	}
+    public PlayerData getTarget() {
+        return target;
+    }
 
-	public abstract void accept();
+    public UUID getUniqueId() {
+        return uuid;
+    }
 
-	public abstract void deny();
+    public boolean isTimedOut() {
+        return date + TIME_OUT < System.currentTimeMillis();
+    }
+
+    public void accept() {
+        Validate.isTrue(target.isOnline(), "Target must be online");
+        whenAccepted();
+        MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
+    }
+
+    public abstract void whenAccepted();
+
+    public void deny() {
+        Validate.isTrue(target.isOnline(), "Target must be online");
+        whenDenied();
+        MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
+    }
+
+    public abstract void whenDenied();
 }
diff --git a/src/main/java/net/Indyuce/mmocore/guild/provided/GuildInvite.java b/src/main/java/net/Indyuce/mmocore/guild/provided/GuildInvite.java
index 3db014dc..7e908639 100644
--- a/src/main/java/net/Indyuce/mmocore/guild/provided/GuildInvite.java
+++ b/src/main/java/net/Indyuce/mmocore/guild/provided/GuildInvite.java
@@ -1,50 +1,44 @@
 package net.Indyuce.mmocore.guild.provided;
 
-import org.bukkit.Bukkit;
-
 import net.Indyuce.mmocore.MMOCore;
 import net.Indyuce.mmocore.api.player.PlayerData;
 import net.Indyuce.mmocore.api.player.social.Request;
 import net.Indyuce.mmocore.manager.InventoryManager;
+import org.bukkit.Bukkit;
 
 public class GuildInvite extends Request {
-	private final PlayerData target;
-	private final Guild guild;
+    private final Guild guild;
 
-	public GuildInvite(Guild guild, PlayerData creator, PlayerData target) {
-		super(creator);
+    public GuildInvite(Guild guild, PlayerData creator, PlayerData target) {
+        super(creator, target);
 
-		this.guild = guild;
-		this.target = target;
-	}
+        this.guild = guild;
+    }
 
-	public Guild getGuild() {
-		return guild;
-	}
+    public Guild getGuild() {
+        return guild;
+    }
 
-	public PlayerData getPlayer() {
-		return target;
-	}
+    @Override
+    public void whenDenied() {
+        // Nothing
+    }
 
-	public void deny() {
-		MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
-	}
+    @Override
+    public void whenAccepted() {
+        guild.removeLastInvite(getCreator().getPlayer());
+        guild.getMembers().forEach(member -> {
+                    if (Bukkit.getPlayer(member) != null) {
+                        MMOCore.plugin.configManager.getSimpleMessage("guild-joined-other", "player",
+                                getTarget().getPlayer().getName()).send(Bukkit.getPlayer(member));
 
-	public void accept() {
-		guild.removeLastInvite(getCreator().getPlayer());
-		guild.getMembers().forEach(member -> {
-			if(Bukkit.getPlayer(member) != null) {
-					MMOCore.plugin.configManager.getSimpleMessage("guild-joined-other", "player",
-							target.getPlayer().getName()).send(Bukkit.getPlayer(member));
+                        MMOCore.plugin.configManager.getSimpleMessage("guild-joined", "owner",
+                                Bukkit.getPlayer(guild.getOwner()).getName()).send(getTarget().getPlayer());
+                    }
+                }
+        );
 
-				MMOCore.plugin.configManager.getSimpleMessage("guild-joined", "owner",
-						Bukkit.getPlayer(guild.getOwner()).getName()).send(target.getPlayer());
-				}}
-
-				);
-
-		guild.addMember(target.getUniqueId());
-		InventoryManager.GUILD_VIEW.newInventory(target).open();
-		MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
-	}
+        guild.addMember(getTarget().getUniqueId());
+        InventoryManager.GUILD_VIEW.newInventory(getTarget()).open();
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/net/Indyuce/mmocore/manager/social/RequestManager.java b/src/main/java/net/Indyuce/mmocore/manager/social/RequestManager.java
index 915ba02f..aa882b0e 100644
--- a/src/main/java/net/Indyuce/mmocore/manager/social/RequestManager.java
+++ b/src/main/java/net/Indyuce/mmocore/manager/social/RequestManager.java
@@ -1,47 +1,41 @@
 package net.Indyuce.mmocore.manager.social;
 
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Set;
-import java.util.UUID;
-
-import org.bukkit.Bukkit;
-
 import net.Indyuce.mmocore.MMOCore;
 import net.Indyuce.mmocore.api.player.social.Request;
+import org.bukkit.Bukkit;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.UUID;
 
 public class RequestManager {
-	private final Set<Request> requests = new HashSet<>();
+    private final Map<UUID, Request> requests = new HashMap<>();
 
-	/*
-	 * flush friend requests every 5 minutes so there is no memory overleak
-	 */
-	public RequestManager() {
-		Bukkit.getScheduler().runTaskTimer(MMOCore.plugin, this::flushRequests, 60 * 20, 60 * 20 * 5);
-	}
+    /**
+     * Flushes friend requests every 5 minutes so there is no memory overleak
+     */
+    public RequestManager() {
+        Bukkit.getScheduler().runTaskTimer(MMOCore.plugin, this::flushRequests, 60 * 20, 60 * 20 * 5);
+    }
 
-	public Request getRequest(UUID uuid) {
-		for (Request request : requests)
-			if (request.getUniqueId().equals(uuid))
-				return request;
-		return null;
-	}
+    public Request getRequest(UUID uuid) {
+        return requests.get(uuid);
+    }
 
-	public void registerRequest(Request request) {
-		requests.add(request);
-	}
+    public void registerRequest(Request request) {
+        requests.put(request.getUniqueId(), request);
+    }
 
-	public void unregisterRequest(UUID uuid) {
-		for (Iterator<Request> iterator = requests.iterator(); iterator.hasNext();) {
-			Request next = iterator.next();
-			if (next.getUniqueId().equals(uuid)) {
-				iterator.remove();
-				break;
-			}
-		}
-	}
+    public void unregisterRequest(UUID uuid) {
+        requests.remove(uuid);
+    }
 
-	public void flushRequests() {
-		requests.removeIf(Request::isTimedOut);
-	}
+    private void flushRequests() {
+        for (Iterator<Request> iterator = requests.values().iterator(); iterator.hasNext(); ) {
+            Request next = iterator.next();
+            if (next.isTimedOut())
+                iterator.remove();
+        }
+    }
 }
diff --git a/src/main/java/net/Indyuce/mmocore/party/provided/Party.java b/src/main/java/net/Indyuce/mmocore/party/provided/Party.java
index 1550d17c..659906f1 100644
--- a/src/main/java/net/Indyuce/mmocore/party/provided/Party.java
+++ b/src/main/java/net/Indyuce/mmocore/party/provided/Party.java
@@ -145,9 +145,8 @@ public class Party implements AbstractParty {
     public void sendInvite(PlayerData inviter, PlayerData target) {
         invites.put(target.getUniqueId(), System.currentTimeMillis());
         Request request = new PartyInvite(this, inviter, target);
-        if (inviter.isOnline() && target.isOnline())
-            new ConfigMessage("party-invite").addPlaceholders("player", inviter.getPlayer().getName(), "uuid", request.getUniqueId().toString())
-                    .sendAsJSon(target.getPlayer());
+        new ConfigMessage("party-invite").addPlaceholders("player", inviter.getPlayer().getName(), "uuid", request.getUniqueId().toString())
+                .sendAsJSon(target.getPlayer());
         MMOCore.plugin.requestManager.registerRequest(request);
     }
 
diff --git a/src/main/java/net/Indyuce/mmocore/party/provided/PartyInvite.java b/src/main/java/net/Indyuce/mmocore/party/provided/PartyInvite.java
index 41e89dd6..40d13a4c 100644
--- a/src/main/java/net/Indyuce/mmocore/party/provided/PartyInvite.java
+++ b/src/main/java/net/Indyuce/mmocore/party/provided/PartyInvite.java
@@ -6,43 +6,38 @@ import net.Indyuce.mmocore.api.player.social.Request;
 import net.Indyuce.mmocore.manager.InventoryManager;
 
 public class PartyInvite extends Request {
-	private final PlayerData target;
-	private final Party party;
+    private final Party party;
 
-	public PartyInvite(Party party, PlayerData creator, PlayerData target) {
-		super(creator);
+    public PartyInvite(Party party, PlayerData creator, PlayerData target) {
+        super(creator, target);
 
-		this.party = party;
-		this.target = target;
-	}
+        this.party = party;
+    }
 
-	public Party getParty() {
-		return party;
-	}
+    public Party getParty() {
+        return party;
+    }
 
-	public PlayerData getPlayer() {
-		return target;
-	}
+    @Override
+    public void whenDenied() {
+        // Nothing
+    }
 
-	public void deny() {
-		MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
-	}
-
-	public void accept() {
-		if(party.getMembers().size() >= Math.max(2, MMOCore.plugin.getConfig().getInt("party.max-players", 8))) {
-			MMOCore.plugin.configManager.getSimpleMessage("party-is-full").send(target.getPlayer());
-			return;
-		}
-		if(getCreator().isOnline())
-			party.removeLastInvite(getCreator().getPlayer());
-		party.getMembers().forEach(member -> {
-			if(member.isOnline() && target.isOnline())
-				MMOCore.plugin.configManager.getSimpleMessage("party-joined-other", "player", target.getPlayer().getName()).send(member.getPlayer());
-			});
-		if(party.getOwner().isOnline() && target.isOnline())
-			MMOCore.plugin.configManager.getSimpleMessage("party-joined", "owner", party.getOwner().getPlayer().getName()).send(target.getPlayer());
-		party.addMember(target);
-		InventoryManager.PARTY_VIEW.newInventory(target).open();
-		MMOCore.plugin.requestManager.unregisterRequest(getUniqueId());
-	}
+    @Override
+    public void whenAccepted() {
+        if (party.getMembers().size() >= Math.max(2, MMOCore.plugin.getConfig().getInt("party.max-players", 8))) {
+            MMOCore.plugin.configManager.getSimpleMessage("party-is-full").send(getTarget().getPlayer());
+            return;
+        }
+        if (getCreator().isOnline())
+            party.removeLastInvite(getCreator().getPlayer());
+        party.getMembers().forEach(member -> {
+            if (member.isOnline())
+                MMOCore.plugin.configManager.getSimpleMessage("party-joined-other", "player", getTarget().getPlayer().getName()).send(member.getPlayer());
+        });
+        if (party.getOwner().isOnline())
+            MMOCore.plugin.configManager.getSimpleMessage("party-joined", "owner", party.getOwner().getPlayer().getName()).send(getTarget().getPlayer());
+        party.addMember(getTarget());
+        InventoryManager.PARTY_VIEW.newInventory(getTarget()).open();
+    }
 }
\ No newline at end of file