A man goes to a bar says, "Barman! Drinks are on me to you, the owner and everybody else in here!" Comes the end of the night the man says, "Sorry man it seems i forgot my wallet." The barman kicks him in the guts and throws him out. The next day the man comes again, "Barman drinks on me to you, the owner and everybody else in here!" Comes the end of the night the man says, "Sorry man I don't have any money on me." The barman hits him in the face with bar stool breaks his leg and throws him out. The following day the man comes to the bar again, "Barman! Drinks are on me to the owner and everybody else in here!" The barman says, "What? Am not getting a free drink tonight?"
"Sorry man but you get violent when you drink."