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.

Our job is, first and foremost, to make sure our family is whole.

Kids who participate in school meal programs get roughly half of their calories each day at school. ... This is an extraordinary responsibility. But it's also an opportunity. And it's why one of the single most important things we can do to fight childhood obesity is to make those meals at school as healthy and nutritious as possible.

I think my mother taught me what not to do. She put us first, always, sometimes to the detriment of herself. She encouraged me not to do that. She'd say being a good mother isn't all about sacrificing; it's really investing and putting yourself higher on your priority list.

For the first time, the nation will have goals, benchmarks, and measureable outcomes that will help us tackle the childhood obesity epidemic one child, one family, and one community at a time.

It should be fun introducing kids to fruits and vegetables. If you start young, it will be something that they'll attach to really quickly.

One reason we planted the White House vegetable garden was to set an example about what food can mean, but to also begin a broader conversation about how we're feeding our kids, what they know about the food that they eat, how they're taking care of themselves.