The extrovert looks at the other person's shoes.
Dinosaurs aren't old enough to smoke. Told to me by my niece at christmas.
One's a pharmacist and the other's a drug dealer.
Arcane-gel!
A police dog in disguise.
The extroverted mathematician looks at YOUR shoes when he's speaking to you.
An extrovert mathematician will be looking at the other guy's shoes.
The extrovert looks at your feet when talking.
He stares at shoes while he talks to you.
He puts himself in the other person's shoes and then walks away.
