So what made the two of you start swinging? How long were you planning to do it? Were you going to tell your children that the lifestyle is okay?
Again, you are focussing too much on the A. What is your marital history? Conflicts, arguments, things she didn't like about you and what you didn't like about her, etc.
We can't help you with the A unless you tell us about you first.
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.