Republican presidential candidate Marco Rubio appeared on "Hannity" tonight to weigh in on a variety of topics, including his recent war of words with Donald Trump.

"It's very clear he’s a very insecure person. He doesn’t like to be criticized," Rubio said. "The presidency is a tough job. You’re going to be criticized, and you can’t flip out every time somebody says something about you. He does. And that’s his problem."

Rubio added that Trump had a bad week, getting booed at the Values Voter Summit on Friday, getting very few people to show up to a campaign event and having Tom Brady say that he’s not endorsing him after all.

"He’s a very sensitive guy. And that’s fine. That's his problem. I'm not going to worry about it," Rubio said, stating that what he's concerned about is the future of the United States.

Watch the "Hannity" interview above.

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