Late Show host Stephen Colbert‘s guest on Tuesday night was former FBI director James Comey. In what became Colbert’s third most viewed episode of the Late Show, the two shared laughter and wine with each other, discussing Comey’s new book, A Higher Loyalty, and the sitting president it revolves around.

JAMES COMEY ON THE LATE SHOW WITH STEPHEN COLBERT

President Donald Trump was a topic both men were unsurprisingly interested in chatting about. It hasn’t escaped Comey’s attention that he’s been a focal point in Trump’s erratic tweets lately, which insist Comey was never asked for loyalty. Moreover, Trump has referred to Comey as “a proven LEAKER & LIAR,” and he’s also questioned the quality of Comey’s book while challenging him on perceived mistakes he and the Democrats made:

As a retort, Comey noted that Trump has tweeted at him “probably 50 times.” Comey, normally not one to crack a joke, added, “I’ve been gone for a year. I’m like a breakup he can’t get over. I’m out there living my best life. He wakes up in the morning and tweets at me.”

Although Comey was tempted to merely shrug off Trump’s tweets, he believes doing so is dangerous and would potentially normalize improper conduct from an elected official, asking himself, “Wait a minute. If I’m shrugging, are the rest of the country shrugging? And does that mean we’ve become numb to this?” Comey, again expressing how surprised he was when he learned he was fired, maintains that Trump lacks the morals to be president.

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A Higher Loyalty was released on Tuesday. The autobiography recalls Comey’s experiences with Trump, one detail being the latter’s interest in Comey looking into the “Golden Showers” tape. Comey is currently on tour, having sat down for an interview with ABC last Sunday. Comey’s entire 32-minute segment on The Late Show with Stephen Colbert can be seen below: