If there is anything for us LBS to take out of our sitch's, then that comment by MrBond is it "you can't control her/his actions. You can only control yours". It gets easier once you can accept that.
ME:51 W:46 M:25 S:22, S:20 Divorced 16/9/15 BD 10/12 W left 12/12 with OW, affair confirmed Nov/12. Dark since 6/13 I"m in a new relationship since Feb 14.