New and need encouragement

[Not Quitting]

Long story short. Hubby tells me on Christmas Eve 2012 that he wants a divorce, he loves me but he's not in love with me, and that he is having EA (not his words) with someone else - his words were "you've got competition". Did everything wrong - begged, pleaded, cried, became clingy. He tells me several days later that he and OW "had taken the next step" - in other words now PA. Says he wants to work things out but she isn't going anywhere until he knows that "we're definitely good". We have S13 who knows there's problems between us and isn't very happy, but doesn't know details. I'm getting tired of the friends who tell me I should just kick him to the curb. I still love him, I'm willing to forgive and forget and I definitely want to save my marriage. I've got both Michele's books on order - expected next week. Looking for support in my decision to not quit.