Everybody was patting Nico on the back, complimenting him on his fighting. Even the Ares kids thought he was pretty cool. Hey, show up with an army o… - Rick Riordan

Where's the glory in repeating what others have done?

"Argh!" Thalia pushed me, and a shock went through my body that blew me backward ten feet into the water. Some of the campers gasped. A couple of the Hunters stifled laughs.
"Sorry!" Thalia said, turning pale. "I didn't mean to — "
Anger roared in my ears. A wave erupted from the creek, blasting into Thalia's face and dousing her from head to toe.
I stood up. "Yeah," I growled. "I didn't mean to, either."
Thalia was breathing heavily.
"Enough!" Chiron ordered.
But Thalia held out her spear. "You want some, Seaweed Brain?"
Somehow, it was okay when Annabeth called me that — at least, I'd gotten used to it — but hearing it from Thalia was not cool.
"Bring it on, Pinecone Face!"

"Let us find the dam snack bar," Zoe said. "We should eat while we can."
Grover cracked a smile. "The dam snack bar?"
Zoe blinked. "Yes. What is funny?"
"Nothing," Grover said, trying to keep a straight face. "I could use some dam french fries."
Even Thalia smiled at that. "And I need to use the dam restroom."
...
I started cracking up, and Thalia and Grover joined in, while Zoe just looked at me. "I do not understand."
"I want to use the dam water fountain," Grover said.
"And..." Thalia tried to catch her breath. "I want to buy a dam t-shirt."