John Isner

And he's got two kids, I believe.

Just spend time with your family and don't focus on tennis.

And realize, in my mind, that dude's made a crap ton of money.

He's been very successful.

Life is all good.

Take a break from it and then come back and he should be all right.

Yeah, it's brutal.

I mean, especially when you, for the most part, we're playing on hard courts, which is very, very tough on your body.

So what Novak is still doing is otherworldly.

I mean, he's 38 years old right now.

Of course, he's playing a limited schedule.

But for his ridiculous standards, he's been the fifth or sixth best player in the world to date, having not played many tournaments this year.

It's just crazy.

But for him, as you get older, you certainly have to pick and choose your spots.

And obviously, he's just focused on the Grand Slams.

He wants to get the number 25.

But he's, in my mind, the most dedicated and professional player I think our sport's ever seen.

Everyone works hard.

hard on the court and off the court.

You know, Rafa is a great example of that.