New York (CNN) – He may be known for his cool temperament, but the first lady can bring out another side of President Barack Obama.
"I can make him mad any number of ways," Michelle Obama told ABC's "The View" in an interview set to air Tuesday.
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According to the president, she does it by "being thoroughly unreasonable," which sometimes elicits a raise of her husband's voice.
"You try to keep an even keel during the day," Obama said, as written in pool reports. "But there are times, after the day is done, when it comes out."
Obama is in New York to speak at the United Nations General Assembly and the Clinton Global Initiative Tuesday, where he is expected to address the recent attack in Benghazi, Libya, that killed four Americans. Although the president has refrained from characterizing the attack as an act of terrorism, he told "The View" co-hosts America will not "shrink back from the world" because of the attack.
"We are going to hunt down those who did this. We will bring them to justice. We will make sure that we do everything we have to do to protect our embassies and our diplomatic posts," he said. "But we're going to stay engaged."
The first couple, who held hands throughout the interview, will celebrate their 20th wedding anniversary on the night of the first presidential debate on October 3. President Obama said they will likely celebrate the occasion the following weekend. Debate night will focus around his first one-on-one match-up against Republican presidential nominee Mitt Romney.
When asked what a potential President Romney would mean for the United States, Obama said "We can survive a lot, but the American people don't want to just survive, we want to thrive," before pointing to the two men's different visions for the country.
Romney recently pounced on comments Obama made during a Univision town hall, where the president claimed Washington is changed from the outside. But the president stood by the remarks when questioned by co-host Elisabeth Hasselbeck, a known critic of Obama.
"The idea was you can't change Washington from the inside," he said. "You've got to mobilize the American people. When ordinary people are engaged and paying attention, that's when Congress responds. We can't play just an inside game."
But the first lady said she is the one with the "best job."
"I don't have to make the hard decisions," she said.
The president also said his role in his daughter's lives is changing as they get older.
"They're now at the point where they still love their daddy, but they come in strategically," he said.
Malia, 14, is "turning into a night owl like me," he said, adding that she doesn't need to be tucked in anymore.
Michelle Obama said she's looking forward to a "long vacation" when their time in the White House is over.
"The thing I think I would enjoy the most is spending time working with kids," the president said. "Just giving young people the sense of possibility, of opportunity."
But he added, "first things first here, we do have an election ahead."