I don't have any advice on how to handle that crappy situation, except to say that if your buddy is going to screw your wife, he isn't your buddy.
Yes
join something else
M: 57 H: 60 M: 35 yrs S30,D28,D19 H off to Alaska 2006 Recon 7/07- 8/08 *2016* X = "ALASKA 2.0" GROUND HOG DAY I File D 10/16 OW DIV 2/26/2018 X marries OW 5/2016