Michael Phelps is the most decorated Olympian of all time, and Bleacher Report caught up with the 18-time gold medalist in London as the swimmer starts the next chapter of his life.
What does Phelps consider his favorite Olympic moment? How did Phelps feel after rival Ryan Lochte defeated him in the 400 individual medley? How did that motivate him? Tune in to see the greatest swimmer of all time talk about those moments as well as hear what is the one thing he wants to do in retirement.
Phelps was at the Wella Salon in London to announce that he is the new ambassador for Head & Shoulders.
Like this video? Watch more of Bleacher Report's London coverage: