Obama's next crisis: a teenage daughter

US President Barack Obama said Friday he's prepared for a potential crisis in the White House next month his oldest daughter becoming a teenager. "I could not ask for better kids. I'm not anticipating complete mayhem for the next four or five years, but I understand teenagehood is complicated," Obama told ABC News when asked about his daughter Malia's 13th birthday. "I should also point out that I have men with guns that surround them often, and a great incentive for running for re-election is that it means they never get in the car with a boy who had a beer," he added. In addition to bringing the Secret Service along on dates, any potential suitor might also face the prospect of tough bilateral negotiations with the leader of the free world. "I might invite him over to the Oval Office, ask him for his GPA (grade point average), find out what his intentions are in terms of career," Obama said. "Malia, Sasha, if you're watching this, I'm just joking." Later in the interview, however, Obama revealed that there are still some matters in which he's not the chief executive. When asked if he and First Lady Michelle Obama had ever considered having more children or trying for a son, he replied: "You act as if this is a decision of mine. It really isn't." "As Michelle points out, I did not carry 10 pounds in my belly, you know. I think that Michelle's general view is we're done." Malia will turn 13 on July 4. Her younger sister Sasha celebrated her 10th birthday earlier this month at the Camp David presidential retreat.