You may turn it around, but she has a boyfriend.
^^^This^^^
"I don't love you anymore / I want a divorce" translates to "I've found someone better/ richer than you"
Been there done that, so I'm speaking from experience. Counseling will only be a waste of your time and money if she's already made up her mind.
I know things look bleak, but they will eventually get better. As others advised, get yourself a good attorney and protect your children and assets immediately.
