Just Me, please take a deep breath, be brave and walk away from this situation, you won't start to feel better until you do. Having had to do a similar thing a few years ago I would suggest you confide in a few really good friends if you can, who will help to support you until you get stronger, which you will, I promise. I found I had to learn to be me again, and it took time, but it was worth it in the end! And eventually I met someone else. I still think about the person I walked away from, and in a way I still love him and I wouldn't want to forget everything that we had, but it just wasn't right, and it took finding something that was right before I really realised this. As for self-help books, I read my share and the one I found really helpful was Dr Spencer Johnson's book 'Who Moved My Cheese' - worth a read to help you to move on. Hope everything works out O.K. and don't forget, others have been there and come through, so will you.