Wolff told 'Real Time' host Bill Maher that he was "absolutely sure of" Trump being involved with a woman in the White House but that he didn't have the "ultimate proof."

Michael Wolff just gave President Donald Trump another reason to send angry late-evening tweets about his incendiary new book: In a new interview, the author of Fire and Fury: Inside the Trump White House suggested that Trump may be having an extramarital affair while in the White House. When asked whether there is a section in Fire and Fury that he wonders that the press isn't asking about, Wolff told host Bill Maher on Friday's installment of HBO's Real Time that there is, "but I can't tell you what it is." "There is something in the book that I was absolutely sure of, but it was so incendiary that I just didn't have the ultimate proof," he said.

Maher then pressed Wolff on what the topic of the incendiary revelation is, asking whether it is a "woman thing." "Well, I didn't have the blue dress," Wolf responded, referring to evidence in the Monica Lewinsky scandal with former President Bill Clinton, before telling Maher that "it is" about a woman. "It's somebody he's fucking now," Maher said.