Sometimes it's just harder to remind yourself about what you're doing and why you're doing it... Other times, you have a great desire for it, but physically you're not responding the way you want. That presents other challenges. Then sometimes it all comes together.

You know over the last few months since I announced that the U.S. Open was going to be my last tournament I've been very unprepared sort of emotionally and, you know, for the feeling that I would have to deal with, you know, when it would hit me, how it would hit me, the tears, the many tears.

What makes something special is not just what you have to gain, but what you feel there is to lose.

Tennis was always sort of a - a learning. It was a vehicle for me to discover a lot about myself. And the things that I sort of discovered at times I not only didn't want to see it for myself but I certainly didn't want millions of people to see it.

Some moments it feels longer, other moments it feels like it's flown by; you can't believe you've done it all that time... Overall, you have a strong sense for the full spectrum that you've sort of traveled.

You don't cheat anybody out of their experience, whatever it is.

Yes, for a long time but I admired her and respected everything that I could sort of see in her from a distance, the pillars of her life, the loyalties, the relationships. It all got my interest and also the looks.

Well, you know, I've bonded with a lot of people over the years, you know. We played the same tournaments year after year and we go back to the same place and many times the seats have been full and that has meant the world to me for sure.

You know my dad pushed me to believe that I was going to be the best. I just never thought of life without tennis, even looking forward.