I think your just a lightweight man.... If you are constantly falling down and not remember what you did the night before from beer... a 6 pack no less... thats pretty bad. Im 21 and I drink like 4-5 nights a week also but only on a rare occassion do I drink so much that I blackout. 6 beers just barely gives me a buzz.... I guess its the irish in me. Whats an irish 7 course meal??? a six pack and a potato