Elle

“He carried so much sadness and loneliness, so much heartache. Yet he put his mission first. He persevered. Reyna respected that. She understood that. She'd never been a touchy-feely person, but she had the strangest desire to drape her cloak over Nico's shoulders and tuck him in. She mentally chided herself. He was a comrade, not her little brother. He wouldn't appreciate the gesture.”
― Rick Riordan, The Blood of Olympus

“Nico had proven himself in other ways. He'd kept the camps' secrets for the best of reasons, because he feared a war. He had plunged into Tartarus alone, voluntarily, to find the Doors of Death. He'd been captured and imprisoned by giants. He had led the crew of the Argo II into the House of Hades…and now he had accepted yet another terrible quest: raking himself to haul the Athene Parthenos back to Camp Half-Blood.”
― Rick Riordan, The Blood of Olympus

“This is the Valdezinator, of course!’ He puffed out his chest. ‘It works by, um, translating your feelings into music as you manipulate the gears. It’s really meant for me, a child of Hephaestus, to use, though. I don’t know if you could –’

‘I am the god of music!’ Apollo cried. ‘I can certainly master the Valdezinator. I must! It is my duty!”
― Rick Riordan, The Blood of Olympus

“At Camp Half-Blood. The Hades cabin needs a head counsellor. Have you seen the decor? It’s disgusting. I’ll have to renovate. And someone needs to do the burial rites properly, since demigods insist on dying heroically.’
‘That’s – that’s fantastic! Dude!’ Jason opened his arms for a hug, then froze. ‘Right. No touching. Sorry.’
Nico grunted. ‘I suppose we can make an exception.’ Jason squeezed him so hard Nico thought his ribs would crack.”
― Rick Riordan, The Blood of Olympus