Hello, LandC. I'm so sorry that you are in this situation.
Keep posting, even if it is only to journal what you are going through. The more people know, the more they will be able to offer advice and support. Hang in there.
H: 44, Me: 45 Married: 20 y Together: 25 y no kids Walk away: 12/15 Asked for temp separation 12/25/15 PA confirmed 3/16 (apparently neither the first, nor the last PA he has had) H filed for D 5/16