Bill O'Reilly jumped into the interviewer seat for the Fox News GOP Post Debate show immediately after the four remaining Republican candidates had finished mixing it up in Detroit.

The first one up on his docket was his buddy, Donald Trump, who was not really happy with the loofah king.

Bill asked Trump, "are you getting mad at guys like me, when I ask you the negative questions?" Donald replied that Bill has become very negative of him lately. O'Reilly was shocked, "Me?" "Why, why would I do that? Donald said he didn't know, but Bill probably needed to ask his psychiatrist!

Drop mic.