People don't do things for no reason. You are obviously getting something out of these interactions with your WAH. Since he's not changing his behavior it's not that it's effective. Yet you feel compelled to keep doing this. You've tried to stop and have struggled, so there is something compulsive about it.

It's like the woman that was found licking her walls. She was addicted to licking her walls and couldn't figure out why. Turns out she had a vitamin deficiency that was in the plaster in her walls, and her body knew it even though she didn't understand it.

Since will power is failing, maybe get to the root. What are you getting out of this? Maybe if you meet that need some other way you'll be able to stop.

Me:38 XW:38
T:11 years M:8 years
Kids: S14, D11, D7
BD/Move out day: 6/17/14, D final Dec 15