I think it's inherently narcissistic to be in an A. You can't have full empathy for your S and go through with it.
I think the ones who regret it and realize what they did, have a stronger psyche or character than those who stay in their distorted version of events.
H can be very generous and warm if he feels like it. But it's not a consistent trait and not reliable.
M 16 yrs, WH62, P54 3 adult blended kids EA 11/13, BD1 6/14 PA fall 14, BD2 2/15 Piecing 2015, BD3 12/15 Separated 4/16 WH moved OW in 5/16 Divorced 6/15/17