Dave Robicheaux said:
Like most of have said, cut bait.
If I were your friend, I'd help you move out today. You just need to seriously leave. You didn't mention kids, so yea perfect get the **** out of there and never come back. She has been lying to you, cheating or both. That won't change.
I wouldn't leave.
You don't know how long your divorce suit could last. The house is probably your single biggest asset - I wouldn't want anyone to construe that you're giving that up.
I would change the locks. Seriously. It's one of the things I regret not doing at the start of my divorce. It's ice cold but this is all about protecting yourself.