Like most natural-born fighters, brothers Nick and Nate Diaz obviously won't ever grow accustomed to losing.
Nick illustrated this theory when he threatened to retire after each of his last two setbacks to Carlos Condit and Georges St-Pierre at UFC 143 and UFC 158, respectively.
And Nate, who's suffered back-to-back losses to Benson Henderson and Josh Thomson, received a 90-day suspension and a $20,000 fine for his use of a homophobic slur following his devastating loss to "The Punk" at UFC on Fox 7.
Although many believe the Diaz brothers each hit walls because of a hike in competition in recent bouts, their collective behavior outside of the Octagon has been even more alarming and unsavory.
Both Nick and Nate have trained under the tutelage of Cesar Gracie at his academy, Cesar Gracie Jiu-Jitsu, since they were teenagers.
But negative remarks from Nick following his loss over St-Pierre, coupled with Nate's decision to part ways with Gracie as a manager, have led many believe that the brothers should part ways with the coaching legend.
Here are three reasons the Diaz brothers need to leave Cesar Gracie Jiu-Jitsu.