"Who invented derivatives in Calculus?" Lauren complained.
I wrote out the formula in her notebook and tried to simplify it down to her understanding. "Look, you have to do this."
Lauren squinted at the page. "Why the hell is your handwriting so damn neat?"
"Are you really trying to be passive-aggressive about my handwriting?"
"It's so neat, I might need you to teach me how you do it."
"Lauren, just try to solve the problem before I come after your eyelashes."
"I am at this point in life where my own girlfriend threatens to take off my ten-dollar eyelashes."
"Lauren." I groan. I leaned back against my bed. "Do the damned problem."
"Math stands for mental a***e to humans, we need to protest."
I glare at her for a long time until she picks up her pencil and sighs.
"Fine, I'll do th
