He likes the status quo. He likes the appearance of the happy family. He likes being able to look like the perfect dad and husband. I have a feeling he is into his image. What would his friends and family say if they ever found out what's going on? He can't have that, so he wants to bribe you to keep things just as they are. And he sure doesn't like the idea of having to give you your half. Really it isn't giving you your half, because it already is yours, as much as his. But you can bet he doesn't see it that way.
