This thread reminded me of the infamous “why did the chicken cross the road” thread from RnR days…
Here’s a summary of the chicken thread.
A brawler sees the unbroken glass as a potential weapon.
An alcoholic just drinks out of the bottle anyway. Who needs a glass?
@oblivion: The way I heard it, suppose a fly falls into your beer. A light drinker pours the beer out. A heavy drinker scoops the fly out and drinks the beer. The alcoholic holds the fly upside down over the pint glass and yells, “Spit it OUT, you bast**d!”