What I know for sure is that all the sacrifice and challenges we face are worth it if we're creating a better future for our kids. I just think if the adults are always thinking about the world we want to leave for our kids, we're going to make the right choices every single time.

Exercise is really important to me - it's therapeutic. So if I'm ever feeling tense or stressed or like I'm about to have a meltdown, I'll put on my iPod and head to the gym or out on a bike ride along Lake Michigan with the girls.

We all need to start making some changes to how our families eat. Now, everyone loves a good Sunday dinner. Me included. And there's nothing wrong with that. The problem is when we eat Sunday dinner Monday through Saturday.

I am a sleeper. When you wake up at 4:30 in the morning to do a workout, you're sleepy at 8 in the evening. By 10 o'clock at the latest, I'm in bed.

Hope is necessary. It's a necessary concept. And Barack Obama didn't just talk about hope because he thought it was just a nice slogan to get votes.

Not everybody is going to run a marathon or do a triathlon. It's not necessary to do that to be in good health.

Do not bring people in your life who weigh you down. And trust your instincts ... good relationships feel good. They feel right. They don't hurt. They're not painful. That's not just with somebody you want to marry, but it's with the friends that you choose. It's with the people you surround yourselves with.