diff --git a/code/datums/mind.dm b/code/datums/mind.dm
index da01e6136d1..2a492dfefc6 100644
--- a/code/datums/mind.dm
+++ b/code/datums/mind.dm
@@ -129,6 +129,9 @@
 	last_death = world.time
 
 /datum/mind/proc/store_memory(new_text)
+	var/newlength = length(memory) + length(new_text)
+	if (newlength > MAX_MESSAGE_LEN * 100)
+		memory = copytext(memory, -newlength-MAX_MESSAGE_LEN * 100)
 	memory += "[new_text]<BR>"
 
 /datum/mind/proc/wipe_memory()
diff --git a/code/modules/mob/mob.dm b/code/modules/mob/mob.dm
index ff49b57448d..5d643851d87 100644
--- a/code/modules/mob/mob.dm
+++ b/code/modules/mob/mob.dm
@@ -536,11 +536,13 @@
 /mob/verb/add_memory(msg as message)
 	set name = "Add Note"
 	set category = "IC"
-
-	msg = copytext(msg, 1, MAX_MESSAGE_LEN)
-	msg = sanitize(msg)
-
 	if(mind)
+		if (world.time < memory_throttle_time)
+			return
+		memory_throttle_time = world.time + 5 SECONDS
+		msg = copytext(msg, 1, MAX_MESSAGE_LEN)
+		msg = sanitize(msg)
+		
 		mind.store_memory(msg)
 	else
 		to_chat(src, "You don't have a mind datum for some reason, so you can't add a note to it.")
diff --git a/code/modules/mob/mob_defines.dm b/code/modules/mob/mob_defines.dm
index 5d96ba1321f..fa7b062f068 100644
--- a/code/modules/mob/mob_defines.dm
+++ b/code/modules/mob/mob_defines.dm
@@ -199,3 +199,5 @@
 
 	///THe z level this mob is currently registered in
 	var/registered_z = null
+	
+	var/memory_throttle_time = 0