Things to do in the afternoon/evening to stop me drinking?

I cannot stop drinking. Im ok till about 3/4pm and then I get the thoughts. All dominated by alcohol. Have a beer, wine etc. Its ok to have A beer or wine but once I start I can't stop. I end up comatose on the couch almost every night and my kids are seeing this. So, I need some activities etc to do in the evening. I know it wont cure the problem but it may be the starting point I need. Thanx