Finding a Girl

Guy's 50 years old, he's still a bachelor. He can't find a girl his mother will approve of.

He brings home one girl, she's too fat. Brings home another girl, she's too skinny. One talks too much, the other's a wallflower. Finally, the guy brings home a girl who he knows his mother will approve of, because this girl, she's exactly like his mother."

What happened?

His father hated her.