I agree - we actually had this conversation at the gym last night.
One of the trainers - who is petite but all muscle - was talking to a woman in the locker room who said she couldn't lift because she didn't want to build muscle.
Michelle Obama does have great arms so if you're close, that's great.
Although I've fought with my weight my whole life, I was 'thin' for a long time so how I look isn't that surprising to me.
I'd read this article that said people see themselves as they were at 14, no matter how much weight they gain or lose. I think it's been true w/ most people I've talked to, including me. I was overweight and still see myself that way, even though I'm much smaller now. I know exactly what you mean about wanting to be thinner, no matter what weight I got down to. I look at pictures of myself back then and think the same thing you do, "What was I thinking??? I was so young and healthy, what was I complaining about?"
I wish we were at the same gym! It's so cool when other women aren't afraid to lift as heavy as they can. I think guys are supportive when a woman knows her way around the weights.