Congratulations 2old on the new improved you. You are sounding very upbeat and well and truly on the way to a new and improved you. I also can see both sides with regards to the W's daughter, yours and AS, both have good and bad points. I suppose the best is, you can be supportive with talking/validating and concern, while not being close enough to be in a position to be asked to help with accom.
ME:51 W:46 M:25 S:22, S:20 Divorced 16/9/15 BD 10/12 W left 12/12 with OW, affair confirmed Nov/12. Dark since 6/13 I"m in a new relationship since Feb 14.