He looks at your shoes while he's talking to you instead of his own.
Look, a herd of elephants in the distance!
Because if they had the looks they'd be on TV.
The SALT talks!
He was waxing lyrical!
Me: "I like telling people to be quiet."
Don't get your sheets dirty!
You don't have to take your shoes off to jump on a banjo.
Loafers!
Extroverted
The extroverted mathematician looks at YOUR shoes when he's speaking to you.
They're book-keepers.
Because that's what they did last year.