I've been doing some thinking as far as boundaries are concerned. I was thinking of maybe telling wife that as long as she is talking to OM, S16 is not allowed to spend the weekend with her. S16 doesnt like spending weekend with her anyways. Any thoughts on this? Is this wrong? Or the right move?

Currently:
M 56 XW 57
Sons 38,33,31,29

The Sitch:
Married 26 years
EA w/ OM 9/10
Bomb 10/10 (5 weeks after 25th anniversary)
Sep 12/10
She wants D 1/11
W files 5/11
D final 10/11
XW marries OM 6/13