There's little you can do beyond exposure. Confront your wife about it, state your boundaries, then work on yourself.

Me: 33
WAW/MLC: 33
M: 4+, T: 10+
Separated: Nov 08
A#1: Oct 08 - Jan 09 (exposed and ended)
A#2: Feb 09 - ?
1: http://tinyurl.com/mrmistakes
2: http://tinyurl.com/ckch9t
3: http://tinyurl.com/stillwaters3