Drinking makes lots of things more fun and the warm fuzzy buzz you get from it is just pleasant generally. Plus there's a whole bunch of different kinds depending on what you want from it. E.g. vodka and/or sparkling white wine = party time, beer/cider = bumming at uni/casual bbq, tequila = fall in a ditch and vomit on yourself.
I don't like getting super falling down drunk, though, mainly because the morning after is so bad especially if you actually have to get out of bed and function like a semi productive member of society.
Moral of the story alcohol is pretty awesome