Suggestion for Riddle Dwarves

As I finally completed the Gambling Dwarves topic, and after a while, came across the dwarf. I was disappointed that I wasn’t able to answer with a “shit-eating grin.”
It’s not but trivia. The trivia of the Riddle Dwarves is easy, and I wanted a mental challenge. The riddle dwarves should give actual riddles, I think. What do you guys think.

And Zack, if your reading this, could you at least consider it?