So ever since I got sick, I started rapidly losing weight (with no change in diet)- I went from being at a healthy weight for my height (about 130 lbs at 5'7 1/2") to now barely staggering at 100 lbs (this is SEVERELY underweight for how tall I am). As a result of this weight drop, I not only went down almost 2 full cup sizes, but my butt got so much smaller, as well. I was so angry!! I was under…