You see, at the end of the day, my most important title is still 'mom-in-chief.' My daughters are still the heart of my heart and the center of my world.

I always want to be on the cusp of being in the best shape that I can be.

My goal is to be a great-looking 70-year-old! I won't mind being 70, but I want people to say, "You're 70?"

I was out there meeting with a lot of working moms and whenever I would gather a group of women, there was always a voice that was unfamiliar to me, and it was the voice of a military spouse, oftentimes a woman, oftentimes working, many times in a position where they've had to move every two or three years, where their kids have had to change school multiple times, people dealing - families dealing with multiple deployments, dealing with the stresses of reconnection.

I would be depressed if I felt I could never eat the things that I love. I also don't want my girls to be obsessed about food.

In the 10 cities with the nation's highest obesity rates, the direct costs connected with obesity and obesity-related diseases are roughly $50 million per 100,000 residents. And if these 10 cities just cut their obesity rates down to the national average, all added up they combine to save nearly $500 million in healthcare costs each year.

In our house we don't take ourselves too seriously, and laughter is the best form of unity, I think, in a marriage.