I always like to win. But I'm the big sister. I want to make sure she has everything, even if I don't have anything. It's hard. I love her too much. That's what counts.

I always like to win. But I'm the big sister. I want to make sure she has everything, even if I don't have anything. It's hard. I love her too much. That's what counts.

My first job is big sister and I take that very seriously.

Are you guys ready for the Williams sisters? We'll see you on Sunday.

Are you ready for the Williams sisters? ... We'll see you on Sunday. There's going to be a lot of hard hitting and a lot of hard serving. We'll both have some tricks up our sleeves.

When you're a big sister, it's a great job. I don't know how little sisters feel about their job, but when you're a big sister, you're supposed to take care of everything. And you feel good about it. I do.