I am a math genius.

During a marathon session of IMDb-ing every single minor character in a random episode of Psych:

Me: Oh, NO WONDER that guy looks so familiar! He was the principal on Dawson's Creek for, like, ten years!

Josh: Ummmm...

Me: No, wait, strike that. Two years. 1999-2000 is two years.

Josh: *coughs*

Me: SHUT UP!