There must be other reasons? Talk to him sometime. If he tells you the real answer and you think it's okay, then don't share it with him, be firm! Persistence is not necessarily the best policy, but whatever it is now, you will never get it if you don't fight for it. Come on!

If his reasons for breaking up are acceptable, just say yes. We can be friends when we break up, and he will come back. No matter how strong a man is, he will like a rabbit who is kind to him.