"I would pull him close," she said Friday of the 19-year-old singer. "I don't know if it would be advice as much as action. I would be very present in his life right now. And I would be probably with him a good chunk of the time, just there to talk, to figure out what's going on in his head, to figure out who's in his life and who's not, you know."
Obama said she notices that with her kids, and notices they "just want you near, you know, they want that advice from a parent. They want to see you on a daily basis."
Bieber has recently faced multiple arrests, and is widely reported to have been using drugs and alcohol.
Obama said she and President Barack Obama will have to "get creative" with how they celebrate Valentine's Day this year, Politico reported.
"But, you know, our home is very private -- you know, the residence where we live. I mean, it's not like we've got people standing around over us every second of the day," she said. "But, you know, the president has to be as creative as any man out there needs to be at this time. But this year we'll probably low-key it in the White House. I just had a wonderful big birthday party and I, you know, I think he's done his part to show me how much he loves me so he's off the hook this year."