“If coffee is my favorite drug, then what is coffee’s favorite drug?”/“Pot.”

A coffeepot riddle is:
 
Q: If coffee is my favorite drug, then what is coffee’s favorite drug?
A: Pot.
 
The joke was posted on Reddit—Jokes on June 30, 2017.
 
     
Reddit—Jokes
If coffee is my favorite drug, then what is coffee’s favorite drug?
submitted June 30, 2017 by Propane13
Pot
 
Twitter
3AM‏
@3AM_Jokes
If coffee is my favorite drug, then what is coffee’s favorite drug?... Pot
8:26 AM - 30 Jun 2017
 
Twitter
LOL Tweets™‏
@lolmgco
If coffee is my favorite drug, then what is coffee’s favorite drug?
Pot
11:34 AM - 30 Jun 2017