Big Bang Theory Quote
Sheldon: Ah, Alex, excellent. I have a research problem that I believe you can help with.
Alex Jensen: Oh, Dr. Cooper, thank you. I've been waiting for an opportunity to contribute to your scientific work.
Sheldon: Oh, no, no. That's not going to happen, no. What I need you to do is find a Valentine's gift for my girlfriend.
Alex Jensen: You realize I passed up an opportunity to work at Fermilab to take this job with you.
Sheldon: Well, I guess those chaps'll have to have someone else buy their girlfriends' presents. Now, here is, let's see, this is... this is about two thousand dollars. Um, I think she likes monkeys and the color grey.
(Alex leaves)
Sheldon: Contribute to my work. Ah, kids say the darnedest things.
Quote from S06E16 - The Tangible Affection Proof