I like to play cards as well. My "solution" is my live home game. When playing live with my buddies I will usually loosen up much sooner than I do in online SnG's. I still have some level of discipline, of course, but at this game it's just as much about the social and fun aspect of the game as it is about winning.

Then when I go online I say to myself; "Okay, now let's play some REAL poker.