He likes alcohol, he is addicted to bets, he likes to make money, he doesn't like to waste time with girls unless they are of interest to him (financial or challenging). He prefers common or humble places to eat, restaurants gourmet are not his type. He was involved in a yakuza gang, of which he got bored of being there and had to exterminate them from the roots because the boss threatened to kill him if he left the group. It cost him an eye of his face and a stab in the belly.