That’s according to a deeply reported section of “Russian Roulette: The Inside Story of Putin’s War on America and the Election of Donald Trump,” a new book by veteran investigative reporters Michael Isikoff and David Corn.

“Steele’s confidence in the sensational sex claim would fade over time,” reads the book, which hit shelves Tuesday.

“As for the likelihood of the claim that prostitutes had urinated in Trump’s presence, Steele would say to colleagues, ‘It’s fifty-fifty,’” it continues.