You should take him to do more exercise. If he is too fat, he will be unhealthy and unwilling to move. If he doesn't lose weight, he will get fatter and fatter. Finally, he may not be able to jump.
It's nothing to feed those foods, but you can't feed too much every day. It's like eating too much makes people feel uncomfortable, not to mention.
Then take it to exercise and jump around often, and there will be no problem.