Hey Konfuseeed,
I just wanted to pop in and check on you.
Go dark, as others have told you. If you are not 100% sure about the divorce, don't file. Simple as that. If that's what you 100% want, then go for it.
You have been through a lot in a short amount of time.
Is she still actively romancing this OM? Have you talked to OM?
Do something good for yourself today.