They do! Unfortunately, they aren't used in real life... what a pity!
“Dear optimist, pessimist, and realist – while you guys were busy arguing about the glass of wine, I drank it! Sincerely, the opportunist!”
-
Lori Greiner
Rate my PNLs:
https://www.behindthename.com/pnl/215535/145665https://www.behindthename.com/pnl/215535/145666