Other people's problems don't negate your own, it's ok to feel down if that's how you feel. I think the trick is to try to figure out something other than food to make yourself feel better. I do think it's probably TOM related, I know Saturday I was a basketcase, cried and cried and cried over stuff that I would normally shrug off, that night TOM came. "AH HA" I exclaimed, it was TOM all along. Luckily I avoided binging, I think just allowing myself to cry helped that, I typically tell myself "Self, suck it up you big baby", but this time I just let it all out and I felt better the next day.
Let yourself feel however you feel! Ya sure, people have it worse, of course, doesn't mean you aren't allowed to feel down about your own stuff. Just figure out how to console yourself without food, and if you can't you can't, try again next time.