The current most popular MMA star in the world. Is he Cockiness or confident?
It's confidence- this is the source of his success. Cockiness is a display of confidence that cannot be backed up with his actions, but confidence comes from a strong beliefs of your abilities. Conor may have lost to khabib- but his loud mouth actions come from actual confidence in his skills, khabib was just the better fighter
So where does confidence come from? It comes from knowing you have put the work in to hone your skills and your mentality. You have to put in the work to be confident.