Does Conor McGregor smoke: Not Known.Does Conor McGregor drink alcohol: Yes.McGregor was constanly bullied at school because of his shorter stature and size growing up. Because of this, his interest in Combat wrestling rose.McGregor is a trained Plumber; he trained as a plumber in his early twenties and just before his first high profile fight in UFC he picked a $180 cheque from the social welfare.Like most European kids, McGregor played football when he was young. He played for Lourdes Celtic and his school team before getting into boxing and MMA.McGregor had a short stint as a boxer in his youth, and went on to win youth championship before giving up boxing and focusing on MMA.McGregor made his UFC debut in Sweden in April of 2013 and took just 67 seconds to defeat US fighter Marcus Brimage, who was undefeated in the UFC at the time.Dana White, The President of UFC, once praised him by saying that McGregor is the biggest thing ever happened to UFC or for the sport of MMA.Conor McGregor is the first non-american fighter to have held two world titles in two different weight classes.McGregor has been leading the movement of same-sex marriages in Ireland as he is in complete favour of gay marriages; he believes that every human being deserves equal rights.