They know their limits.
It has shingles.
I need to know before my court date on Monday.
The mathematician says "2" The Physicist says "2, plus or minus 0.1" The engineer says "Probably around 2, but let's say 3 to be on the safe side".
Amazon'
Just one but every time he does he causes a blackout.
The limit does not exist
There's a limit to how many characters you are allowed to waste.