Look WLM, the bottom line here is you've just got to face facts and the facts of the matter is you're wife left you for another woman. Is it righteous, is it fair ~ HELL NO ~ but what's that got to do with anything. If life was fair, I'd be a billionarie paying you $100K a year to drive my drunk azz around!
What you've got to do at this point in the game is to forget about the wife ~ and go for yourself. And, your going to have to get on top of your game quick, fast, and in a freaking hurry like! You've got a 1 YO and a 3 YO counting and depending on you, Man! Snap out of it ~ someone's got to be the responsible adult in all this.
Its all well and good that the wife didn't have the perfect childhood, mother, life, car, tinkertoy ~ whatever! Hey, we all could lay down and make excuses ~ and that's what they are excuses. I've got a new flash for you there Pal! Life is tough, but its tougher if you're stupid.
And, I'm not calling you stupid ~ you've been sold a bill of goods, you thought you were buying one thing ~ and you've got another. That's just the way it is. But,
now you know the deal, all the cards are face up on the table. For you to keep buying off of the wife's pity party would be stupid on your part. Be it another woman ~ or another man ~ an affair is and affair and you handle it the same way ~ you don't stand for it. You don't stand there and be disrespected. Either she's part of the solutions instead of the problems, either be part of the answers instead of the questions ~ or be gone.
Life is 1% what happens to you ~ and 99% what you're going to do about it.. You can sit around all day bemoaning your destiny or you can get off your azz and get busy living. The choice is yours.
You can
choose to sit here and beat yourself up ~ or you can choose to pick up, pack up, and move on! To a better life, a good life, a life that you deserve. You can choose to continue buying off on the wife's pity party and "look at poor me ~ I'm a lesbian?!

Or you can choose to break camp and tell her ~ "You know what ~ that's
your problem! Not mine! But, you're not going to make me and my children sick with your BS!
And, that's what she's doing here ~ she's playing you, and she's making you sick in the process. Forget this broad ~ and I don't say that because she's got the hots for some other gal ~ I'd tell you the same if she had the hots for some other guy. She's disrespecting you, your marriage, your family ~ dump this broad and her issues!
Quit beating yourself up ~
damit!