I have never felt more confident in myself, more clear on who I am as a woman. But I am constantly thinking about my own health and making sure that I'm eating right and getting exercise and watching the aches and pains. I want to be this really fly 80-90-year old.

I talk about the food issue, I'm really coming at it from pre-White House times, when I was a working mother with a busy husband, a very demanding job and two little kids to feed.... I had to learn what it means to feed and care for your kids in a country where fast food is abundant, where time is a rarity, where eating out is a trend, because families are so busy.... Yes, I'm First Lady, but I know the struggles.

I am desperate for change - now - not in 8 years or 12 years, but right now.

No country can ever truly flourish if it stifles the potential of its women and deprives itself of the contributions of half of its citizens.

My children are very blessed.... That's why I think that mentoring is such a critical part of the role I can play in this position. I see how little bits of exposure and big bits of exposure really change my girls significantly, and I want that for more girls around the country and the world.

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.

And what has been just completely heart warming is to see that people are really hungry for something different.