I caught my wife of 17 years with another woman 20 years younger than her. We have 8 kids together. She said she loves her and can't stop thinking of her. I'm g

I caught my wife of 17 years with another woman 20 years younger than her. We have 8 kids together. She said she loves her and can't stop thinking of her. I'm giving her space but I don't think we are going to make it and it just kills me.