Growing up with my sister was always a challenge, like most sisters. She was the complete opposite in body design. I always felt some resentment toward her. She could do no wrong. I would just think of fries and I would bulge.
Genetically, I was born that way. My mom tells a story of my Grandpa looking at me and saying "That baby is going be fat as a kid". Of course, he was right about the kid but not about the adult.
I could walk, run, starve myself, or dance and yet my sister would still be smaller than me. Genetically, she was born that way. As a kid, you don't understand genes. You just know that there is a difference. She could eat chocolate and Dirotos till the sun came up and not gain one fat cell. I would stare at my sister and wonder what she was doing that I wasn't. I would eat salads and my thighs just seemed to explode.
Today, the roles have reversed. I am smaller than she. I do not gloat about this even though she made fun of my weight as a kid. I worry about her. I worry about what she is doing to her heart and joints. I worry that she is going to get diabetes, heart disease or CAD. Granted, there is some self satisfication in being smaller, but it is small.