I like looking nice, but I always put comfort over fashion. I don't find thin girls attractive; be happy and healthy. I've never had a problem with the way I look. I'd rather have lunch with my friends than go to a gym.
Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence, but we rather have those because we have acted rightly. We are what we repeatedly do. Excellence, then, is not an act but a habit.