diff --git a/src/app/pages/chat/chat.component.html b/src/app/pages/chat/chat.component.html
index d256f00..a0aaec6 100755
--- a/src/app/pages/chat/chat.component.html
+++ b/src/app/pages/chat/chat.component.html
@@ -24,15 +24,18 @@ <h2 class="online">{{currentOnline}}</h2>
       *ngFor="let message of messages"
       class="chat"
      >
-      <svg *ngIf="message[1]" class="messageNotSent" [title]="message[1]" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor">
-        <path stroke="none" d="M0 0h24v24H0z" fill="none" />
-        <path d="M17 3.34a10 10 0 1 1 -15 8.66l.005 -.324a10 10 0 0 1 14.995 -8.336m-5 11.66a1 1 0 0 0 -1 1v.01a1 1 0 0 0 2 0v-.01a1 1 0 0 0 -1 -1m0 -7a1 1 0 0 0 -1 1v4a1 1 0 0 0 2 0v-4a1 1 0 0 0 -1 -1" />
-      </svg>
-      <span
-        [class.authorStranger]="message[0].author === authorStrange"
-        [class.authorYou]="message[0].author === authorYou"
-      >{{message[0].author | author}}: </span>
-      <span class="text">{{message[0].text}}</span>
+     <span
+      [class.authorStranger]="message[0].author === authorStrange"
+      [class.authorYou]="message[0].author === authorYou"
+     >{{message[0].author | author}}: </span>
+     <span class="text">{{message[0].text}}</span>
+     <span *ngIf="message[1]" class="errorWrap">
+       <svg class="messageNotSent" xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="currentColor">
+         <path stroke="none" d="M0 0h24v24H0z" fill="none" />
+         <path d="M17 3.34a10 10 0 1 1 -15 8.66l.005 -.324a10 10 0 0 1 14.995 -8.336m-5 11.66a1 1 0 0 0 -1 1v.01a1 1 0 0 0 2 0v-.01a1 1 0 0 0 -1 -1m0 -7a1 1 0 0 0 -1 1v4a1 1 0 0 0 2 0v-4a1 1 0 0 0 -1 -1" />
+       </svg>
+       <span class="errorMessage">{{message[1]}}</span>
+     </span>
     </div>
 
     <div class="message" *ngIf="strangeIsTyping">
diff --git a/src/app/pages/chat/chat.component.ts b/src/app/pages/chat/chat.component.ts
index bfb9b19..7f628e9 100755
--- a/src/app/pages/chat/chat.component.ts
+++ b/src/app/pages/chat/chat.component.ts
@@ -154,6 +154,7 @@ export class ChatComponent implements OnDestroy, OnInit {
       this.strangeIsTyping = true;
       this.scrollConversationToTheEnd();
     } else if (event.content === 'disconnected') {
+      debugger;
       this.strangeIsTyping = false;
       this.whoDisconnected = MessageAuthor.STRANGE;
       this.currentState = ChatState.DISCONNECTED;
diff --git a/src/app/shared/nostr/main.npool.ts b/src/app/shared/nostr/main.npool.ts
index 3b61f48..cac03bf 100755
--- a/src/app/shared/nostr/main.npool.ts
+++ b/src/app/shared/nostr/main.npool.ts
@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { NostrEvent, NostrFilter, NPool, NRelay1, NSet } from '@nostrify/nostrify';
+import { NostrEvent, NostrFilter, NPool, NRelay1 } from '@nostrify/nostrify';
 import { RelayConfigService } from '@shared/relay-config/relay-config.service';
 import { finalize, Observable, Subject } from 'rxjs';
 
@@ -27,7 +27,7 @@ export class NPoolService extends NPool<NRelay1> {
     console.info(new Date().toLocaleString(),'[[subscribe filter]]', filters);
     const abort = new AbortController();
     const subject = new Subject<NostrEvent>();
-    const nset = new NSet();
+    const nset = new Map<string, NostrEvent>();
 
     (async () => {
       for await (const msg of this.req(filters, abort)) {
@@ -36,10 +36,13 @@ export class NPoolService extends NPool<NRelay1> {
           break;
         } else if (msg[0] === 'EVENT') {
           const nsetSize = nset.size;
-          nset.add(msg[2]);
+          nset.set(msg[2].id, msg[2]);
 
           if (nsetSize !== nset.size) {
             subject.next(msg[2]);
+          } else {
+            console.debug(new Date().toLocaleString(), 'event deduplicated, not emiting again: ', msg[2]);
+            console.debug(new Date().toLocaleString(), 'current nset from request: ', nset);
           }
         }
       }
diff --git a/src/app/shared/omegle-service/talk-to-stranger.nostr.ts b/src/app/shared/omegle-service/talk-to-stranger.nostr.ts
index 0692793..e73e239 100755
--- a/src/app/shared/omegle-service/talk-to-stranger.nostr.ts
+++ b/src/app/shared/omegle-service/talk-to-stranger.nostr.ts
@@ -8,7 +8,7 @@ import { finalize, Observable, Subject } from 'rxjs';
 @Injectable()
 export class TalkToStrangerNostr {
 
-  readonly updateUserCountTimeout = 1000 * 60 * 2;
+  readonly updateUserCountTimeout = 1000 * 60 * 5;
 
   constructor(
     private nostrEventFactory: NostrEventFactory,
diff --git a/src/styles.scss b/src/styles.scss
index 28e1d37..18a1f0c 100755
--- a/src/styles.scss
+++ b/src/styles.scss
@@ -78,12 +78,55 @@ body {
   margin-bottom: 0.7rem;
 }
 
-.messageNotSent {
-  color: #ff8100;
-  margin: -.5rem 1rem;
+.errorWrap {
+  position: relative;
+
+  .messageNotSent {
+    color: #ff8100;
+    margin: -.5rem 1rem;
+    cursor: pointer;
+    
+    &:hover ~ .errorMessage {
+      display: block;
+    }
+  }
+
+  .errorMessage {
+    border: 1px solid;
+    border-radius: 5px;
+    padding: .5rem 1rem;
+    background-color: #ffdebd;
+    position: absolute;
+    display: none;
+    top: -.5rem;
+
+    &:before,
+    &:after {
+      content: "";
+      display: block;
+      border: 10px solid transparent;
+      width: 0px;
+      height: 0px;
+      z-index: 1;
+      position: absolute;
+      border-right-color: black;
+      white-space: nowrap;
+      left: -20px;
+      top: 10px;
+    }
+
+    &:after {
+      z-index: 2;
+      border: 8px solid transparent;
+      border-right-color: #ffdebd;
+      left: -16px;
+      top: 12px;
+    }
+  }
 }
 
 .chat {
+  position: relative;
   margin-bottom: 0.7rem;
 }