They were not easy years. You have to understand, I was raised in a lovely neighborhood, as was Mitt, and at BYU, we moved into a $62-a-month basement apartment with a cement floor and lived there two years as students with no income... Neither one of us had a job, because Mitt had enough of an investment from stock that we could sell off a little at a time.

As his partner on this amazing journey, I can tell you Mitt Romney was not handed success. He built it.

It's the moms of this nation - single, married, widowed - who really hold this country together. We're the mothers, we're the wives, we're the grandmothers, we're the big sisters, we're the little sisters, we're the daughters. You know it's true, don't you? You're the ones who always have to do a little more.

We've given all you people need to know and understand about our financial situation and how we live our life.

The thing that's nice about pregnancy is that in the end, you have a baby.

Another son came along 18 months later, although we waited four years to have the third, because Mitt was still in school and we had no income except the stock we were chipping away at. We were living on the edge, not entertaining. No, I did not work. Mitt thought it was important for me to stay home with the children, and I was delighted.

Multiple Sclerosis is obviously close to my heart and I'm determined to make a difference in the lives of people who suffer from the disease by raising the profile of MS, as well as raising funds for advocacy and research.