It's amazing when tragedy strikes, how strong you find that you are, and I'd seen other people go through horrible things. And I just thought, "Wow, I would be a complete mess," and then suddenly when it happens, you realize you had more strength than you knew and it helps you to get through.

I know I'm good at tennis. Other than that, everything else is a wild card. I'm a wild card.

There were a lot of people shouting out. I know it's not proper tennis etiquette, but this is the first time I've ever played here that the crowd has been behind me like that. Today I felt American, you know, for the first time at the U.S. Open. So I've waited my whole career to have this moment and here it is. ... It was great. It was awesome. It was like winning gold.

Most of us have grown up, you know, I think there are very few people who have grown up in a home that was, like, super normal. You know, we all have dispositions because maybe you didn't have a mom or you didn't have a dad, maybe your mom died early or maybe mom and dad argued or they got a divorce or who knows? You have issues that maybe you've started younger or maybe you have your own issues because you have them.

It's easy to stand back, but to move forward and take a chance, that takes a little more guts, a little more courage.

The naysayers, they don't mean a thing.

The most fun part about working out is being done - getting through the workout, let's be honest. But that feeling afterward? Yeah, that's worth it.