The extrovert looks at the other person's shoes.
Nothing.
People are'nt happy for you when you get loads of hits on your U-Haul.
What everything looks like.
Just an electron that goes around looking for a fuse to blow!
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.
He looks at your shoes when he talks to you.
He puts himself in the other person's shoes and then walks away.