@page2016,
Love if you already are seeking help for yourself and he's not interested in doing the same and is continuing with trying to date other women, or sleep with them, what benefit of the doubt is there ?
He's done it twice, said he'd stop, gone to such a length to ensure you can't see a thing.
Your therapist is right, you haven't gotten to the point of losing all love for him but remember also whilst you are feeling down, non loved, hurt, the children "feel" it and "see" it, yet alone and happy and smiling, your children will "feel" it and "see" it and eventually you will too.