I'd also like to chime in on the idea that he's happy as a lark. It also seems to me that my W is happy as ever and maybe she is, but in truth I don't think they're at peace. It speaks volumes on the mindset of a person willing to dismantle a life and hurt a person who loves them deeply for their own selfish nonsense.
It will get easier. It doesn't make sense now but in time you'll see your life as your own again.
Resentment occurs when we aren't doing what we need to care for ourselves, though we expect others to do it for us.
