Tread, you are understandably VERY UPSET about the choices your W has made. It seems you're running on anger right now (I TOTALLY know how that feels).
But I feel like you want to even the score. You may regret that down the road. It's almost like you're asking for permission: "Hey, can I be totally immoral now, since W did?"
No one can tell you what to do here. You know what's right, and you know what you want. Be honest with yourself, act with integrity, and be authentic.
Me-47,XW-43 S13,S16 M:18 BD:4-23-17 W filed:7-17-17 (5 months of in-house separation hell) W moved out:1-6-18 D granted:2-15-18 Decree signed:3-29-18