“Is the glass half empty or half full?” is a classic question. A beer version has been printed on several images:
 
“Never look at a beer as half empty. Look at it as half way to the (my/your) next beer.”
 
A post on the Straight Dope Message Board on June 8, 2000 indicates that “I always figure I’m halfway to my next beer” is from the comic strip Shoe (1977-2000) by Jeff MacNelly.
 
“Super optimist:  halfway to the next beer” was posted to the newsgroup talk.origins on July 2, 2002. “Norm from Cheers nailed it.. The glass isn’t half-full or half-empty.. it’s halfway to the next beer!” was posted to Twitter on August 25, 2011.
 
   
Wikipedia: Is the glass half empty or half full?
“Is the glass half empty or half full?” is a common expression, a proverbial phrase, generally used rhetorically to indicate that a particular situation could be a cause for optimism (half full) or pessimism (half empty), or as a general litmus test to simply determine an individual’s worldview. The purpose of the question is to demonstrate that the situation may be seen in different ways depending on one’s point of view and that there may be opportunity in the situation as well as trouble.
 
This idiom is used to explain how people perceive events and objects. Perception is unique to every individual and is simply one’s interpretation of reality. The phrase “Is the glass half empty or half full” can be understood also as a philosophical question.
 
Straight Dope Message Board
RIP, Jeff MacNelly
DAVEW0071
06-08-2000, 09:47 PM
I heard on the news this morning that cartoonist Jeff MacNelly passed away. He was only in his early 50s. How sad. His drawings were finely detailed and humorous. His ability as a caricaturist was top-notch, and he had a gift at anthropomorphic sketches.
 
Shoe was a funny, lightly cynical, on-the-money cartoon, both in its social and political observations. It could be scathing at times, but could also simply point out something funny about life. My favorite strip showed Shoe and the Perfessor at the bar, debating the old “is the glass half empty or half full” line of philosophy. Shoe said his philosophy was the most optimistic of all. “I always figure I’m halfway to my next beer.” Words to live by.
   
Google Groups: talk.origins
The meaning of the Isochron
Jon Fleming
7/2/02
Pessimist:  this beer is half gone.
Optimist:  half the beer yet to drink.
Super optimist:  halfway to the next beer.
 
The Trailor Sailor
The Optimist says the beer glass is half full,
Posted By: Jeff, Reinell 2200 | 23 Jun 2005, 7:06 AM
The Pessimist says the beer glass is half empty, the Sailor says “I’m halfway to my next beer”.
 
Twitter
Norris Krueger
‏@entrep_thinking
@thenakedredhead Norm from Cheers nailed it.. The glass isn’t half-full or half-empty.. it’s halfway to the next beer!
11:30 AM - 25 Aug 2011
 
Twitter
Frat Johnson
‏@Frat_Johnson
I don’t think of the cup as half empty or half full.. Because either way I’m halfway to the next beer @totalfratmove
8:05 PM - 18 Jan 2012
 
Twitter
Angela
‏@apc
The glass is half empty, but that just means I’m halfway to my next beer. I need to make this into a shirt.
8:15 AM - 17 Feb 2012
 
Twitter
Amber Colbacchini
‏@acolbacchini
Some see the glass half full, some see it half empty. I see it half way to the next beer.
4:22 PM - 13 Mar 2012
 
Twitter
Men’s Humor
‏@MensHumor
Never look at a beer as “half-empty” ...just look at it as if you’re half way to your next beer!
10:05 PM - 23 Nov 2013
 
Wynwood Brewing Company
HALF EMPTY OR HALFWAY TO THE NEXT BEER. LADYBUG BLOOD FROM @WYNWOODBREWING
POSTED IN INSTAGRAM TAGGED WITH BEER / CRAFTBEER / DRINKLIKEALOCAL / FLORIDABEER / HALFWAY / WOODRISING / WYNWOODBREWING ON JUL 14 2015
 
Twitter
REINEX
‏@djreinex
“Is the glass half empty or half full?”
Nah fam it’s halfway to the next beer. 🍺 https://instagram.com/p/7RmBuosngU/
10:58 PM - 5 Sep 2015
 
Twitter
Kyle Kisiah
‏@kyle_kisiah
Don’t look at your glass of beer as half empty but look at it like your halfway to the next beer 💯🍻
12:51 PM - 23 Oct 2015
 
Twitter
Bude Brewery
‏@budebrewery
Never see your beer as being half empty. See it as half way to the next beer @SmallBeerLtd . #Pendeen American Pale
4:00 PM - 8 Feb 2016