Already let the UMMA guys know, I thought I'd link this article by the dude himself. Its a piece he wrote for GQ, I thought he had a lot of interesting stuff to say on the build up to fights and then dealing with the aftermath.
Worth a read imo, interesting perspective from an actual fighter.
http://www.newazakilla.com/aussie-ufc-fighter-robert-whittaker-on-being-mentally-tough-as-nails/