A few thoughts:
This sounds like what my STBXAH does, says something that sounds good enough without actually committing to changing his life.
Your AH, he's a narcissist, and true NPDs don't get anything out of therapy at all, *if* they even go, which they usually don't because they don't want to see unflattering pictures of themselves.
I'm surprised you're asking at all, Liz. You know the answer to this one. All of your therapy and Al-Anon and spiritual work gives you the answers. I would love it if you found a way to trust them without clearing them with us first. You've come a long way, girl.