As long as you've done your best, making mistakes doesn't matter. You and I are human; we will mess up. What counts is learning from your mistakes and getting back up when life has knocked you down.

I'm trying to stay as calm as possible and focus one day at a time, but when reality sets in, I feel everything: anxiety, excitement, nerves, pressure and joy.

I told myself after 2008 that I was done for good. But they say you can't keep a gymnast away from her sport.

Image isn't everything, It's what comes from your heart, and what you learn and what you say and how you act that means more than anything.

It might have been easier to retire, to say my knee couldn't handle it and let that be that. At the same time, the prospect of not being able to compete in gymnastics anymore was heartbreaking.

Gymnastics taught me everything - life lessons, responsibility and discipline and respect.

In 2008 I didn't take it all in enough. I was so wrapped up in just the competition that I missed what was going on around me. If I am given that opportunity again to go to the Olympics and be an athlete I want to take it all in because I feel like this is my last shot and I want to feel the team spirit. I want to really live and breathe the USA.