Throughout my teenage years, I never ever weighed myself. We didn't have a scale, and frankly, I didn't care. I didn't want to KNOW. But I do know that the smallest articles of cloths I have that once fit are size 9/7, and I know at that time I was 140lbs. So my goal weight is MUCH lower than any weight I think I've been

I may end up upping my goal weight, but... I know for certain that I want to be 20lbs less than 140.
It's so exciting to have a goal in which you've never been at... It's like (VERY slowly) unwrapping a present. You have NO idea what's going to be inside... yet you're sure you'll want it and will love it.