I would think about talking to your doctor about this a bit more and consider a counselor or nutritionist. Disordered eating comes in a bunch of varieties, not just the anorexia, bulimia, binge eating disorders we hear about most. And people of all shapes and sizes can have them.

Obviously, I don't know you, so I don't want to make any judgment on your eating, weight etc. It seems your other symptoms could be warning signs from your body, but maybe not. I think that it is great that you're wondering about this, because that's a really important part of taking care of yourself, and it might be a bit of an alarm bell for you to evaluate further. Talk to friends and family, find out what they think.

I had a very close friend who started exercising and eating well, she lost about 30 lbs and looked great. After awhile she started worrying about gaining it back and about controlling food and exercise. When she finally saw the doctor about it she was diagnosed with "eating disorder not otherwise specified." Without any real treatment it progressed into anorexia. It was heartbreaking to see her go through this and now I'm pretty much anti-diet. I figure eating what I want in moderation with proper portions will get me to and keep me at a healthy weight for my body (and it is doing that). And, yep, that includes a piece of cake, pizza, and ice cream every once and awhile if I crave it.

When my friend was having problems I went to Something Fishy quite a bit to help me understand what she was going through and what I could do to help. It has tons of great info, check it out if you want.