“I’ve started drinking my coffee out of a clear mug, so people know where my tolerance level is at” is a coffee saying that has been printed on many images. The implication is that if the speaker’s coffee mug is still full of coffee, then the speaker has no tolerance.
       
“I drink my coffee out of a clear mug so people so where my tolerance level is at” was posted on Twitter by Connor Griffin on October 25, 2012. “I drink my coffee out of a clear mug so people know where my tolerance level is at” was posted on Twitter by Kim Sarita Robertson on January 7, 2013.
     
“I’ve started drinking my coffee out of a clear mug,so people know where my tolerance level is at” was posted on Twitter by Alma on January 22, 2013. “I’ve started drinking my coffee out of a clear mug, so people know where my tolerance level is. http://ow.ly/i/1Uomy” was posted on Twitter by Hot Kofe on April 17, 2013. This version probably originated from this ecard.
     
   
Twitter
Connor Griffin
@AverageGriffin
I drink my coffee out of a clear mug so people so where my tolerance level is at.
8:39 AM · Oct 25, 2012·Twitter for Android
   
Twitter
Kim Sarita Robertson
@KimmySRobertson
I drink my coffee out of a clear mug so people know where my tolerance level is at
1:10 AM · Jan 7, 2013 from Port Elizabeth, South Africa·Twitter Web Client
 
Twitter
Kate
@KateWikLasVegas
“I drink my coffee out of a clear mug so people know where my tolerance level is at.” #IBMPulse
11:05 AM · Mar 6, 2013·Twitter for iPhone
     
Twitter
Alma
@meldiesattheend
I’ve started drinking my coffee out of a clear mug,so people know where my tolerance level is at.
6:19 AM · Jan 22, 2013·Twitter for BlackBerry®
   
Twitter
Kicking Horse Coffee
@KckngHrseCoffee
“I’ve started drinking my coffee out of a clear mug, so people know where my tolerance level is at.” http://fb.me/18MJawoFx
10:51 AM · Jan 29, 2013·Facebook
   
Twitter
Hot Kofe
@hotkofe
I’ve started drinking my coffee out of a clear mug, so people know where my tolerance level is. http://ow.ly/i/1Uomy
10:36 AM · Apr 17, 2013·Hootsuite
 
Twitter
Christine Bernard
@author_cb
I’ve started drinking my coffee out of a clear mug, so people know where my tolerance level is at.
(This is also shown on an ecard.—ed.)
1:31 AM · Jul 4, 2013·Twitter Web Client
 
Twitter
Death Wish Coffee Co.
@DeathWishCoffee
I’m drinking my coffee out of a clear mug today so you all know where my tolerance level is at
10:00 AM · Jul 5, 2018·Twitter for Advertisers.
 
Twitter
MorganFreakman
@WayHinthesky
I drink my coffee out of a clear mug so people know where my tolerance level is at.
12:39 PM · Dec 19, 2019·Twitter for Android
 
Twitter
Ruth Madeley
@ruth_madeley
“I’ve started drinking my #coffee out of a clear mug so people know where my tolerance level is at.”
5:25 AM · Oct 12, 2020·Twitter for Android
     
Twitter
Agnieszka Górecka🇵🇱🇪🇺
@trsgrob
“Drink coffee out of a clear mug so people know where your tolerance level is at.”
#morningcoffee
3:37 AM · Dec 9, 2021·Twitter Web App
 
Twitter
Khalid Mohamed
@Khalidmohamed75
If you drink your coffee out of a clear mug, people will know where your tolerance level is at.
7:28 AM · Mar 24, 2022·Twitter for Android