I would like to share will all of you a little story,
For almost a year, we were doing this "none written" rule, and it's being adopted by the whole department:
Tired of deploying things and changing production things on Mondays, tired after the weekend, and many people coming back to the office with tons of issues, after working from home on Fridays, we took this decision so we were able to fix and take care of the "after the weekend" issues,
not adding extra failure points to the day.
Now we are thinking of improving this rule to Mondays and Fridays!
What do you think?
Do you have any "none written" rules you would like to share?