It may seem counterproductive, as we're always taught to stand by and support people who are suffering or in trouble, but addiction is a totally different beast. It doesn't care a lick about you and your feelings. Having hard boundaries and sticking to them is about protecting yourself, which is all you can do. However, as long as you continue to push back the boundaries to give him more chances, you'll just keep playing his game and he'll have the upper hand. The merry-go-round doesn't stop to let you off-- you have to take a leap of faith and jump while it's still moving. Sure, you'll hit the ground and roll a bit, but eventually you stand up and dust yourself off, and continue on with the life you deserve. We're here for you, so keep posting!