Pick exercises you enjoy. When you enjoy the sports, you’ll naturally want to do them. Exercise isn’t about suffering and pushing yourself; it’s about being healthy and having fun at the same time. Adding variation in your exercises will keep them interesting.
Get enough sleep. When you don’t rest well, you compensate by eating more. Usually it’s junk food. Get enough rest and you don’t need to snack to stay awake. Also, lack of sleep causes premature aging, and you wouldn’t want that.