Read a book: Men are from Mars and Woman are from Venus
It might help you to better understand you and your previous marriage.
Forgive him...
If he does love you in the deep heart, he will come over to you, only after you left. He will learn it in a hard way. Withou this lesson, he will never grow up.
When you are pain, write down your feelings and ask why. It will help you heal.
Take good care!