To be fair, you say you’ve been through this several times with him already, so you may think that you can eventually get through to him since it’s worked before. But you have to recognize how truly toxic this pattern is with him. Do you really want to be chasing a man in this way, repeatedly? Do you really want to have to break down his walls to get him to be with you and even to talk to you, each time there’s a difference between you? This does not have to be the dynamic if you choose to walk away this time. There are other men.