The alien looked at his strange human counterpart.
"Cold you repeat what you just said?"
"I said look out for the K-Ni-Fe!"
"As in the elements potassium, nickel and iron. I see. Very funny." He was not particularly humored, but the human just might pull out another pun and he was not prepared for that just yet.
"Aww come on, that was a good one. Had to look it up." Ah, another human waste of time, of course.
"Could you perhaps focus more on our studies instead?"
"What? This is our studies! Come on, what's it all really for if you can't use some rock puns!" The humans had been noted for their focused enthusiasms, of course that enthusiasm took on many different forms. One of them was apparently, what must be, an unhealthy amount of puns about whatever they happened to be working with.
"Look, I have another great one. See what I got here?" The human had put sulfur, tungsten and a ring on the table.
"Uhm, a bunch of materials and your wedding ring?"
"Specifically sulfur, tungsten and silver. SWAG!" The human made startling noises as if he was about to die. He had learned previously, when he had tried to save him, that this was just his way of expressing a pun well done. The precise definition of a well done pun was apparent only to the human, and perhaps other humans. As he certainly could not distinguish between a good and a bad one. In much the same way as if he had been asked to choose which one was most pleasant, pest or cholera.
"Rock on." He had memorized that one earlier from the human, since he used it so often it had been more or less involuntary. Usually it caused to human to shut up and get back to work.
"Oh yeah, rock on!" The human finally seemed to quiet down and get back to work. It lasted only for a few minutes.
"Oh here's an even better one." Apparently the human had gotten back to the 'work' of finding more appalling puns.
"Please, do not tell." His little masterwork of humor was not heard, or at least not acknowledged.
"What is the chemical formula for the molecules in chocolate?"
"There are a rather large amount of them, but isnt that primarily distincted by containing cacao? Which have Theobromine in it, so I would guess C7H8N4O2?" It was unlikely to be 'correct' according to the human. But he prided himself on remembering that one.
"Carbon, Holmium, Cobalt, Lanthanum and Tellurium" The human looked at him expectantly.
"That doesn't seem-"
"It forms chocolate, CH-o-Co-La-Te" The human beamed with pride.
"Ah yes, of course. Obvious in hindsight." Not even with foresight did that one make sense. "You'll have to excuse me." He picked up his stuff and left. Maybe he could sit in the cafeteria. It was noisy and crowded but he would not have to hear any more damned puns.
*[Q: What happens when you look up geology jokes?
A: You know you've hit rock bottom!](http://www.jokes4us.com/miscellaneousjokes/schooljokes/geologyjokes.html)*