Sarah

“The last I saw of Percy and Annabeth, their Prius was turning the corner on First Avenue, Percy singing along with Led Zeppelin on the radio, Annabeth laughing at his bad voice.
Alex crossed his arms. "If those two were any cuter together, they'd cause a nuclear explosion of cuteness and destroy the Eastern Seaboard.”
― Rick Riordan, The Ship of the Dead

“This is where he struck the earth, Annabeth said, where he made a saltwater spring appear when he had the contest with my mom to sponsor Athens.
So this is where the rivalry started, Percy said.
Yeah
Percy pulled Annabeth close and kissed her.
The rivalry ends here, Percy said. I love you Wise Girl.”
― Rick Riordan, The Blood of Olympus

“I mean, she looked good. Really good. I probably would've been tongue-tied if I could've said anything except reet, reet, reet.”
― Rick Riordan, The Sea of Monsters

“That was one of the many reasons she loved him, even if he was an Olympian-sized pain in the podex”
― Rick Riordan, The House of Hades