You need to ignore him for two reasons. One, he doesn't know what he is talking about. He has no idea which end is up and no clue where he is going. Why would you believe what he says? He doesn't even know why he is saying it.
The next reason is that you need to stay focused on you. You can't change him by begging, pleading and crying. You can only change him by being strong, independent and having a PMA.
I know you are strong. I've seen it here in the things you've told us. I also know you are special and you will get through this. The days get better and it's not over.
I'm sorry you are dealing with this today. I'm thinking of you.