Most Helpful Guy
You can't. It's up to him. If he liked you, then he'll be sad for a while or for a long time, but you can't do anything to ease it. He has to move on and so do you.2
Most Helpful Girl
you can't. let him get over it on his own.0
You cannot fix him. The more you try to do things for him, the harder for him to get over you. This is life.