My career has been defined by dominating every opportunity presented to me. I am excited for my newest opportunity representing WWE 2K17 as the franchise's ambassador and honoured to serve as the WWE 2K17 cover Superstar.

At the top of my career, I wasn't at the top of my game.

My hands. I'm constantly working on my hands. I'm constantly working on my ground game and constantly trying not to get satisfied with where I'm at with my career and where I'm at as an athlete. I'm somewhat happy, but never satisfied.

I felt like I was cheated out of my career in the UFC. In my mind and in my heart, I never lost to a foe. I never lost to an opponent. I lost to diverticulitis. That was my opponent that beat me. A lot of other people might have other thoughts about that.

People should decide 'are you willing to spend all this money to go to Mars?' I think the average person on the ground would never spend that amount of money - they have to spend it on something that makes sense and this is definitely saving our planet.

Money costs too much.

No one anticipates divorce when they're exchanging vows, and it can be devastating emotionally and financially. To ease the financial side of the blow, you need to maintain your financial identity in your relationship. That means having your own credit history - you need your own credit card - and your own savings and retirement accounts.

People don't realize how much money you have to spend: styling, publicity, a manager, and your agent. That's a chunk of change.