If you love him, you must be tolerant, but you can't cover everything. That is to spoil him and spoil him. Maybe he didn't know how to cherish it until he lost it. You can try not to contact him actively, try to live by yourself, and try to enjoy life by yourself. If he doesn't respond, doesn't care about you and continues to exercise and draw, then you should give up. He's not your destiny takes a hand. If you let go, you may find something better. I wish you happiness.