Women and girls can do whatever they want. There is no limit to what we as women can accomplish.

Sometimes, it's just easier to say yes to that extra snack or dessert, because frankly, it is exhausting to keep saying no. It's exhausting to plead with our kids to eat just one more bite of vegetables.

Every Thanksgiving, Barack sits down to call some of our troops and thank them for their service. When he tells me about these conversations, it always reminds me of how blessed we are to live in a country where men and women will stand up to protect our freedoms and preserve our way of life. And whenever I've had the chance to meet with these heroes and their families, I've always walked away inspired by their courage and in awe of their strength.

One of the lessons that I grew up with was to always stay true to yourself and never let what somebody else says distract you from your goals. And so when I hear about negative and false attacks, I really don't invest any energy in them, because I know who I am.

These are things that we hear from military families everywhere we go. But it - on PTSD, the thing that I want to make sure people understand is that the vast majority of veterans and military families aren't dealing with any kind of mental health. But there are - these are what are called the invisible wounds of this war. And many times they don't present.

I've always tried to make sure that what I do really connects with the broader agenda of what my husband Barack Obama is trying to do.... But I also find that I have to be very passionate myself about the issue to be able to represent it well. One of the big issues that I've talked a lot about...is childhood health, nutrition and obesity.

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.