User blog comment:N00bpl0x/Any tips for fixing my attitude problem?/@comment-3974211-20131224153932

Contact support and ask them to put a chat restriction on our account. I've known a few players that actually enjoy a sort of peace-of-mind they get from only having limited messages - it sort of coerces them into using them wisely.

If you've acknowledged you have a problem and are unable to simply stop, then external limiters are probably your only option until you get into the habit of doing it without needing them.