I used to be skinny. Like, really REALLY skinny. And I didn’t even have to try. If I’m being entirely honest, I didn’t try at all. I didn’t exercise (other than being in marching band for a solid nine years, between high school and college), I didn’t diet (my freshman year of college consisted of microwave meals, like whole boxes of Rice-A-Roni and mac and cheese), and I certainly didn’t aim to lose weight. I was just blessed with extraordinary…