“I always start my diet on the same day—tomorrow”

“I always start my diet on the same day—tomorrow” is a jocular one-liner about people who never do start a diet. “I always start my diet on the same day: tomorrow” was cited in print in 2010. It’s not known who first said the line.
 
   
Twitter
hanna kasino
‏@hkasino
I always start my diet on the same day: tomorrow. (@ Nasi Goreng Kambing Pedurenan w/  @sirico) http://4sq.com/b3tmuF
9:34 AM - 26 May 2010
 
Facebook
I always start my diet on the same day, tomorrow.
Joined Facebook 06/03/2010
 
One Man’s Funnies
SUNDAY, OCTOBER 23, 2011
Always start dieting tomorrow
I always start my diet on the same day ... tomorrow
 
Twitter
true!
‏@damnitstrue
My diet always starts on the same day: TOMORROW!
7:40 AM - 23 Dec 2011
 
Twitter
True Tweets
‏@funnyortruth
I always start my diet on the same day… tomorrow!
1:30 PM - 21 Mar 2013
 
Twitter
Her Daily Fitness
‏@HerDailyFitness
I always start my diet on the same day…. Tomorrow! NOT ANYMORE. START RIGHT NOW.
3:21 PM - 22 Jan 2014