First off, some clarification: By "OW" are you referring to another man? We typically use "OM" for that.
Secondly, you will have to be the ultimate judge of what does and does not work. We can give you all sorts of advice based on our collective experiences and knowledge, but everyone's situation is different and what may be working in my R may not work for yours.
Some good books to read: The Divorce Remedy by Michele Weiner Davis (I prefer this one to Divorce Busting) Getting Back Together by Bettie Youngs and Masa Goetz The Solo Partner by Phil Deluca For Men Only by Shaunti and Jeff Feldhahn
Me: 44, Wife: 39 M: 17 years T: 20 years Bomb on 08/25/09 1/13/10: MC started 1/28/10, 2/8/10: More bombs 8/28/10: Wife moved out No talk of D, no movement