You could also hide her comments or "defriend" her on FB so you don't have to see it if you do go on. Just a thought.
I had to "defriend" all of H's family and friends that were associated with his family. I didn't want to see anything that they were doing without me. FB can be killer.
Me: 32 H: 32 M 9 yrs #1 D7 #2 S5 #3 D2 Bomb 8/12/11 H moved out 8/14/11 PA started w/H & OW in 1/12 - found out 3/24/12 Got my own place 8/25/12 H & OW move in together 9/15/12 Still married.