"It's not because I want to make out with her."
Hold on." He grabbed a pencil and scrawled excitedly at the paper as if he'd just made a mathematical breakthrough and then looked back up at me. "I just did some calculations, and I've been able to determine that you're full of shit."
I've been doing some calculations of my own to see if I'm a big enough jerk to pull off a similar line.
Signs point to yes.