Faith

“But part of him wanted to say: Forget the world. He didn't want to be without her.”
― Rick Riordan, The Mark of Athena

“Very slowly, using only two fingers, Annabeth drew her dagger. Instead of dropping it, she tossed it as far as she could into the water.
Octavian made a squeaking sound. “What was that for? I didn’t say toss it! That could’ve been evidence. Or spoils of war!”
Annabeth tried for a dumb-blonde smile, like: Oh, silly me. Nobody who knew her would have been fooled. But Octavian seemed to buy it. He huffed in exasperation.
“You other two…” He pointed his blade at Hazel and Piper. “Put your weapons on the dock. No funny bus—”
All around the Romans, Charleston Harbor erupted like a Las Vegas fountain putting on a show. When the wall of seawater subsided, the three Romans were in the bay, spluttering and frantically trying to stay afloat in their armor. Percy stood on the dock, holding Annabeth’s dagger.
“You dropped this,” he said, totally poker-faced.
Annabeth threw her arms around him. “I love you!”
“Guys,” Hazel interrupted. She had a little smile on her face. “We need to hurry.”
― Rick Riordan, The Mark of Athena

“Maybe that's why he had started to fear suffocation. It wasn't so much drowning in the earth or sea but the feeling that he was sinking into too many expectations, literally getting in over his head.
Wow...when he started having thoughts like that, he knew he'd been spending too much time with Annabeth.”
― Rick Riordan, The Mark of Athena

“During their separation, something had happened to Annabeth's feelings. They'd grown painfully intense-like she'd been forced to withdraw from a life-saving medication. Now she wasn't sure which was more excruciating-living with that horrible absence, or being with him again.”
― Rick Riordan, The Mark of Athena