The extroverted mathematician looks at YOUR shoes when he's speaking to you.
The teacher tells you to spit you gum out. The train says, "Chew, chew, chew!"
Nobody ever says "Thank you for your service" to the latter.
I don't know but I can look it up for you.
I am tired of looking for a job.
The beesnese
I apollogize.
Shoe.
The extrovert looks at the other person's shoes.
An extrovert mathematician will be looking at the other guy's shoes.
One who looks at your shoes while he's talking to you instead of his own.