Jimmy Kimmel, per usual, spent a lot of time discussing Donald Trump during his monologue on Thursday night, and he was particularly perplexed by the weird executive order Trump issued regarding shower water pressure.

Jimmy Kimmel thinks he’s figured out why President Donald Trump caused so much instability on the stock market. Wall Street was sent into chaos after the president announced sweeping tariffs on dozens of countries across the world last week.

“Think about that,” Kimmel said. “The best thing Trump has ever done for America was undo the incredibly dumb thing he did.” Then he asked: “I mean, imagine if he quit.” The audience erupted.