The UFc double champ Conor McGregor gives advice to any aspiring MMA fighters who want to know how to become a successful UFC fighter. Part of that includes a healthy diet, plenty of milk and vegetables. And stay well clear of the featherweight division and him! Known for his strong mind and wise words, McGregor decided to open up and give people some of his thoughts. Let us listne to what the combat sports megastar has to say when it come to achieving greatness in life.