Prompt from LolMeToDeath: Nico's random lemon facts (for this I did a bit of research. Did you know that there are entire cites dedicated to lemon facts?)
"So, you know, the only thing bad about visiting national monuments is how... quiet... it gets."
"Well, that's probably because people like to think while looking at monuments!" Annabeth said sharply. "Because people like thinking about the architecture!"
"Uh-huh," replied Percy, sounding bored. "Were you really going to follow-up on that after mentioning architecture, knowing that the other three of us don't care for it?" There was a low, growl-type noise. "I mean, not as much as you do."
"So, Percy, how do you recommend we make visiting exquisite monuments more fun for you simpletons?"
"Lemon spit is an anagram for simpleton!"
"Uh, what, Nico?"
"Lemon trees bloom and have fruit all year round."
"That's, uh, nice?"
"And each tree can produce between 500 to 600 lemons in a year."
"Nico, why–?"
"Lemons are great for sore throats. That's why some cough drops are lemon flavored."
"Er–"
"Food historians say lemons have been used and eaten around the Mediterranean from as early as the first century."
"There are food historians?" Grover whispered.
"Lemons prevent scurvy, which was common among sailors and pirates because of their lack of vitamin C while on the sea."
"Hehe, vitamin C... the sea..."
"The British Navy still makes ships carry enough lemons for each sailor to have enough each day."
"Well, that's interesting–"
"California and Arizona produce 95% of the entire crop used by the US."
There was a bit of silence, to see if Nico would start sprouting more facts. When he didn't, Percy said,
"How did you know all that?"
"The lemon is the first insect bite repellant. And how did you not know all that?"
"Well, since I don't devote my life to finding lemon facts–"
"A good way of adding flavor to fish is adding lemon juice."
"Arg! Can he be stopped?!" Grover yelled.