Divorce. If you stay legally married, if you die or get in trouble, your husband and your first lady will run away with all your property. Wouldn't that be unfair? And good parents for children > divorced parents > bad parents > bad parents order. Maybe the child feels the absence of a father. You might resent and be sad about why you got divorced. But isn't it a hundred times better to have fantasies about a child being a father than to go to the point where a mother who despises her father, disillusioned, and can't get a divorce is pathetic?