diff --git a/partybot-matrix.py b/partybot-matrix.py
index 98888e6..4a0e764 100644
--- a/partybot-matrix.py
+++ b/partybot-matrix.py
@@ -3,6 +3,7 @@ import yaml
 import time
 import re
 import redis
+import datetime
 
 from matrix_bot_api.matrix_bot_api import MatrixBotAPI
 from matrix_bot_api.mregex_handler import MRegexHandler
@@ -39,17 +40,36 @@ def karma_cb(room, event):
         alias = re.search('@(pnut_)?([^:]+)', mxid).group(2)
         if alias.lower() == handle.lower() or handle.lower() == 'partybot':
 
-            if sign == '++':
-                rs.incr("partybot:k_" + event['room_id'] + "@" + handle)
-            elif sign == '--':
-                rs.decr("partybot:k_" + event['room_id'] + "@" + handle)
+            if sender.lower() not in kpool:
+                kpool[sender.lower()] = {}
+                kpool[sender.lower()]['last'] = datetime.datetime.now()
+                kpool[sender.lower()]['count'] = 1
+                _set_karma(room, event['room_id'], handle, sign)
 
-            _show_karma(room, event['room_id'], handle)
+            else:
+                delta = datetime.datetime.now() - kpool[sender.lower()]['last']
+                print('seconds: ' + str(delta.seconds))
+                if kpool[sender.lower()]['count'] < 5:
+                    kpool[sender.lower()]['count'] += 1
+                    _set_karma(room, event['room_id'], handle, sign)
+                else:
+                    if delta.seconds < 60:
+                        reply = "@" + sender + ": Whoa, back off a little human."
+                        room.send_notice(reply)
+                    else:
+                        kpool[sender.lower()]['count'] = 1
+                        kpool[sender.lower()]['last'] = datetime.datetime.now()
+                        _set_karma(room, event['room_id'], handle, sign)
 
-        break
+            break
 
 
-def _show_karma(room, room_id, handle):
+def _set_karma(room, room_id, handle, sign):
+
+    if sign == '++':
+        rs.incr("partybot:k_" + room_id + "@" + handle)
+    elif sign == '--':
+        rs.decr("partybot:k_" + room_id + "@" + handle)
 
     k = int(rs.get("partybot:k_" + room_id + "@" + handle))
     reply = handle + " has " + str(k) + " karma in this channel."
@@ -67,7 +87,10 @@ def recv_event_q(queue, post):
 
 if __name__ == "__main__":
 
+    kpool = {}
+
     logging.basicConfig(level=logging.DEBUG,filename='partybot.log')
+    # logging.basicConfig(level=logging.DEBUG)
 
     with open("partybot-config.yaml", "rb") as config_file:
         config = yaml.load(config_file)
@@ -79,6 +102,7 @@ if __name__ == "__main__":
     bot.add_handler(MCommandHandler("karma", show_karma_cb))
 
     bot.start_polling()
+
     while True:
         time.sleep(1)
         item = rs.rpop('MNDP')