He looks for the punchline
An extrovert mathematician will be looking at the other guy's shoes.
Attractor
I don't know, check the post above me.
BECAUSE HE WAS USING A BANANA FOR SCALE
With its punchline
You'd think it'd be the punchline, but apparently it's funnier when the person feints...
she got Holm schooled told me to go here .
Because he had to go with.