A: So you don't have to retrain them on Monday.
A: Frosted Flakes.
The Washing Machine will not follow you around for 2 weeks after you dump a load in it!
Because its white and it works.
Because if his punch line doesn't work, you still get a kick out of it.
It's a week day.
Q: What would be a terrible name for a new beer A: "Mondays"...because no one would EVER want to buy a case of the Mondays...
One is a weak one and the other one week !
Because seven days makes a hole weak.
So his boss doesn't have to retrain him.