You can train your mental strength just like you train your body. If your body looks fit or ripped, it looks strong, and you can flex your muscles. So, physically, you have a certain strength. Mentally, it's the same thing. You can train your psychological strength.
Wladimir Klitschko[Anthony Joshua] is the best man in the division and I believe this excitement speaks for itself. This is what the fans want and this fight must happen.
Wladimir KlitschkoFrom nothing to everything is a long way, from everything to nothing is one stop.
Wladimir Klitschko