Michael Phelps: Ready for London games?

The Olympic gold swimmer is back to a strict training regimen after a lull that included skipping practice and uncertainty about returning to the games

It's unlikely there will be another Michael Phelps any time soon. This epic Olympic story will finally come to an end in London unless, of course, his mom has her way.

Debbie Phelps: I want to go to Rio in 2016.

Anderson Cooper: You do?

Debbie Phelps: I do. He told me he'd send me there on vacation, he told me. But you know, I was like, I'm like, "Come on, Michael just a 50 freestyle."

Anderson Cooper: You want him to compete in Rio?

Debbie Phelps: I do. I've never been there before.

Anderson Cooper: What happens if your mom, you know, after London, after 12 months goes by and says, "You know, I've always wanted to go to Rio?"

Michael Phelps: We'll go watch.

Anderson Cooper: No chance you'd compete?

Michael Phelps: No. Once I retire, I'm retiring. I'm done.

When he retires, Michael Phelps will only be 27 years old. So much of his life has been spent in the pool. He's practically grown up there. After the Olympics, he wants to see what the rest of the world has to offer.

Michael Phelps: I've been able to go to all these amazing cities in my travels and I haven't been able to see them at all. I see the hotel and I see the pool. That's it. And I'm just going to go and do whatever I want to do. And...

Anderson Cooper: Your face lights up when you talk about it.

Michael Phelps: 'Cause I'm excited. 'Cause, you know, it's something new.