The bit about her and the OM telling their bosses about their "love affair" is BS too. She's afraid you are going to use it against them. You don't go and tell on yourself for something that is clearly against company policy.
The next time she says something like that then reply, "So you won't mind me verifying that with your boss?"
M22,H45,W45 S21/18D12 Retain faith that you will prevail in the end, regardless of the difficulties and at the same time confront the most brutal facts of your current reality, whatever they might be.