In an unusual turn of events, Jimmy Fallon had a lot of thoughts about President Trump during “The Tonight Show” on Monday.

Fallon normally tries to stay out of politics, but he had no choice: On Sunday night, Trump fired off a critical tweet at the late-night host, mocking Fallon for saying he regretted an infamous interview between the two in 2016. Fallon received enormous backlash for the lighthearted conversation and playfully mussing Trump’s hair, and recently said on a Hollywood Reporter podcast that it was “a mistake” and he wished he would have handled the situation differently.

“Before we begin,” Fallon said at the top of his monologue, “I just want to give a shout out to our show’s No. 1 fan: the president of the United States!”

The audience laughed appreciatively. “As you may have heard, last night, the president of the United States went after me on Twitter,” Fallon said. “So Melania, if you’re watching, I don’t think your anti-bullying campaign is working.”

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Fallon continued: “When I saw that Trump insulted me on Twitter, I was gonna tweet back immediately, but I thought, ‘I have more important things to do.’ Then I thought, ‘Wait, shouldn’t he have more important things to do? He’s the president! What are you doing? You’re the president! Why are you tweeting at me?!’”

Fallon showed the tweet to the audience:

“That’s real. It’s crazy. The president went after me on Twitter. It’s pretty much the only thing I have in common with NFL players,”…