Tiger, I agree with Pud. If his life is getting more complicated, you need to stand down a little. If things are not quite so rosy with OW, make them more rosy with you and S. Be the "greener grass" and the person he would never want to lose.
Hang in there. You can do it!
Me: 59 and holding H: :53 Me: 1 S, 1 D, both grown M: 19 T: 23 BD: 9-23-2013