Because you have to study abroad to understand them.
What do you call a man without toes and is allergic to milk Lack-toes intolerant!!
What do you call a man chasing a car? -Exhausted What do you call a man being chased by a car? -Tired
They both blow and make different noises when you finger them.
Ma'am, we cleaned your dirty bits and suggest getting a bigger hard drive"
I really just want to know.
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
It is not like that anywhere else. It is not like people studying science claim that they are already scientists. Or people studying the arts say they are unemployed.
To study abroad.