I'm single, never been married, and without children. I think you owe it to your daughter to try. You must have seen something in your wife to marry her. Try to find it again. If that doesn't work, see a marriage counselor and try to reconcile your differences. Just make sure you exhaust every option before calling it quits. I am an only child of divorced parents and it isn't any fun. Stay together as long as you can before you give up.