history: I am a little fat. I feel ashame when I have to change clothes in the men locker room. I am fat. I feel ashame when I have to change clothes in the men locker room. That's too bad.  Have you given serious thought to trying to lose weight?
current: I am trying but I never reach my goals.
next: Hmmm.   I encourage you to keep trying.   Even if you don't ge tto your dieal weight, just getting halfway would show trememndous progress.