"We’re totally nerdy. It seems like all our jokes have...

"We’re totally nerdy. It seems like all our jokes have some sort of calculus or advanced math references."
"What’s an example?"
"Hmmm…. we’ll here’s one. It’s a little lurid, but back back when she was a graduate student in mechanical engineering, she had this device that was used to test the hardness of a material…"
"Don’t tell him that."