Make sure you continue to trust what you know now about yourself and stay true to what you believe in

All lives have an equal value.

When we better understand the realities of these women's lives, we are able to design and deliver solutions that are more useful to them.

The biggest killers of children around the world are two things: diarrhea and pneumonia. When you think about it, in the United States, kids don't die of diarrhea anymore, but it's a huge problem in the developing world.

It's really one of my all-time favorite things to do. To go out and really see the kids and visit the moms who are in these programs because I think I really get to see what happens on the ground and connect with them about what changes are that happen in their lives because of some of the giving that we're able to do.

Despite the debunking, you have a small group in the last five years that hasn't wanted to vaccinate their children, for instance, for measles. Then, all of sudden, we got an outbreak of measles and kids were starting to die from measles.

In the United States, there's definitely some controversy about birth control in general, and I think we needed to split the debate and have people realize that we actually agree as a country about contraceptives. Over 93 percent of American women say they use contraceptives, and they feel very good about it.