Much of what we do with our kids is social and that's good, and we shouldn't stop all that. I mean, how boring would it be that, no, we can't eat anything out so we're just going to go home and sit in the closet and wait to the next day.

I want to feel like the things I did made a difference. That's one of the reasons I spend time greeting people on rope lines, because I'm always thinking, 'Maybe this interaction, particularly if I'm meeting kids, will change someone's life.' That's how I think about the work I do as First Lady. It's a rare spotlight. I want to make sure I don't waste it.

And Barack and I were raised with so many of the same values, like you work hard for what you want in life. That your word is your bond; that you do what you say you're going to do. That you treat people with dignity and respect, even if you don't know them and even if you don't agree with them.

My happiness is measured against my kids' happiness - when they're in a good place, I feel really good.

Don't let anyone speak for you, and don't rely on others to fight for you.

Childhood obesity isn't some simple, discrete issue. There's no one cause we can pinpoint. There's no one program we can fund to make it go away. Rather, it's an issue that touches on every aspect of how we live and how we work.

Gardening has increased, community gardens have increased significantly. There are 50 percent more community gardens right here in Washington DC.