with all due respect I dont' think this entire situation is based on her body image/self image at all. This situation can happen to women/men of all shapes and sizes and related self image issues.

She mentioned those things but it definitely cannot be as simplistic as one poster stated. It is always good to work on your own self image but this definitely has more to do with the question of why already attached men are the ones you keep gravitating toward or are an attraction for.

More than anything I think one thing you can do is be far more thorough in your initial analysis of the person you are interested in. Finding you're ending up in situations with men that are already married? Point out in the very beginning before anything forms into a relationship, that you're not wanting that. ASK directly if they are actually single and make it clear by no uncertain terms you will not date men that are attached, that you will not be a mistress...etc. Do this early and you'll dodge the bullets

I also agree with others to, if you have a T, discuss and figure out why those kinds of men keep coming into your life.