To be intimate with a married man when my own father cheated on my mother is not something I could forgive. I could not look at myself in the morning if I did that. I wouldn't be attracted to a man who would cheat on his wife.
Life has obliged him to remember so much useful knowledge that he has lost not only his history but his whole original cargo of useless knowledge history languages literatures the higher mathematics or what you will - are all gone.