Recently saw this gem in Raine's thread and thought to post it here for you, MDU.
Originally Posted By: Raine
So when we were S and he was spending time with OW, all it did was make him miss me, because they couldn't fill all the holes. They weren't smart. They weren't confident. He liked being the white knight and solving their problems and feeling needed and wiser--but it got exhausting. He would see me and how confident and happy I was, and it just made me all the more attractive to him.