Women are, in general, less shallow visually. If their man gains 10, 20 pounds, they don't care as much. But I've been with women over the years when my weight fluctuated, and they're definitely more interested physically when I am in really great shape. ↗
Talking about covers, whether visually or sonically, if a particular combination of notes struck a chord in your heart in a way that you want to be a part of it by covering that song, then there's nothing wrong with it. ↗
When I was kid, I remember playing 'Vogue' by Madonna over and over and over again. And ah, you know, something about the beat was really cool, and Madonna, visually, was on TV all the time and I thought she was just so beautiful. ↗