“Never trust anyone who smiles on a Monday”

“Never trust anyone who smiles on a Monday” is a saying that has been printed on several images. Monday is the traditional start to the work week. “Never trust anyone who smiles before 10am on a Monday” was posted on Twitter on November 19, 2012.
     
“Never trust anyone who smiles before their first cup of coffee” and “Never trust anyone who smiles this early in the morning” are similar sayings.
 
 
Twitter
khaleesi‏
@lxcindalouise
”@JakeWilkinz: Never trust anyone who smiles before 10am on a Monday.”
2:11 AM - 19 Nov 2012
     
Twitter
Alabama Anstey‏
@aliomallyyyyy
Bailey: Never trust anyone that smiles on monday mornings Me: Never trust anyone that smiles at school period
7:02 PM - 25 Nov 2012
 
Twitter
NATHAN BURROWS‏
@country_nate
My mom, told me to never trust anyone who smiles on Monday’s
10:59 PM - 25 Nov 2012 from Murfreesboro, TN
 
Twitter
Nathan Patrick‏
@NeezyPatrick
Never trust anyone who smiles before 9am on a Monday morning, Kickem in the nuts and walk away
11:57 PM - 25 Nov 2012
 
Twitter
Opanyin Toto‏
@carl_carnie
Never trust anyone who smiles on a monday morning!
12:43 AM - 26 Nov 2012
   
Twitter
Don Andrea Crypto‏
@DonAndreaUG
CAUTION:
Never TRUST anyone who smiles on a Monday.
#DonsKrazyWorld
3:52 AM - 3 Dec 2012
 
Twitter
TendyChirps™‏
@TendyChirps
Never trust anyone who smiles on a Monday morning
5:55 AM - 3 Dec 2012
 
Twitter
Katrina Simon ☕ 💕‏
@KryptoniteBlack
I never trust anyone who smiles during Mondays 😒
10:19 AM - 4 Mar 2013
 
Twitter
Irene Vasic‏
@irene_lutkica
Never trust anyone who smiles on Mondays
8:12 AM - 18 Mar 2013
 
Twitter
Sosa‏
@IamStanley5
Never trust anyone who smiles before 9am on a Monday.
3:40 AM - 11 Sep 2017