Canelo Alvarez

It's not just the physical aspect of boxing, it's the whole fighter mentality that has been ingrained in me through the years as a competitive athlete. One of the hardest things you'll ever do is to box - to get into the ring and to face off with somebody whose whole goal is to knock you out, to hurt you, and to be able to fight back.

Do I sometimes hope I wake up in the morning and people are like, 'What's wrong with her? She looks emaciated.' Of course I would love that. I'm such a clothes whore, I would love the opportunity to be a hanger. But I think I'm more confident than I've ever felt in my life.

Being a pop star is something I don't think I'm very good at. I'm worried it's making me too paranoid, because all of a sudden, life has become this constant assessment. When you put something out there and people get to hear it, then those people react to it, socially, culturally.