Maybe its his sick views about his daughter?
"I don't think Ivanka would do that, although she does have a very nice figure. I've said if Ivanka weren't my daughter, perhaps I'd be dating her." —when asked how he would react if Ivanka posed for Playboy
"Yeah, she's really something, and what a beauty, that one. If I weren't happily married and, ya know, her father..." —on his daughter Ivanka