It blows my mind how many people at ballparks, restaurants, work, etc. do not know how to wash their hands after using the facilities... hell I could tell you stories about some who don't know how to FLUSH and prefer to leave their handiwork for all to see.
Bottom line, if you don't know how to flush and wash your hands after, YOU'RE NOT POTTY TRAINED.
That is all.
"Ooooh... I'm SHAKING in my BRIGHT YELLOW SHIRT!!!"