He/ she will start acting REALLY wierd. They might get angry real easily or they could start getting really happy and they usually start walking funny, swaying and they say a lot of stupid things.
I guess you never experience how it feels to be drunk. From my own personal experience you can tell if your getting drunk by your whole body will feel light, your head feels squeezy and people around...
its called a blackout and it occurs in many alcoholics they will NEVER,NEVER,NEVER remember what they said or did ever in their life even if they quit drinking now, its a part of the brain that...