Trinity

“I could have killed you.”
“Or I could have killed you,” Percy said.
Jason shrugged. “If there’d been an ocean in Kansas, maybe.”
“I don’t need an ocean—”
“Boys,” Annabeth interrupted, “I’m sure you both would’ve been wonderful at killing each other. But right now, you need some rest.”
Food first,” Percy said. “Please?”
― Rick Riordan, The Mark of Athena

“He had no idea where the stereotype of dumb giggly blondes came from. Ever since he'd met Annabeth at the Grand Canyon last winter,when she'd marched toward him with that Give me Percy Jackson or I’ll kill you expression, Leo had thought of blondes as much too smart and much too dangerous.”
― Rick Riordan, The Mark of Athena

“Oh my god, I am so awesome!" Leo bellowed.
"So awesome!" Echo yelled back.
"He is funny," a nymph ventured.
"And cute, in a scrawny way," another said.
"Scrawny?" Leo asked. "Baby I invented scrawny. Scrawny is the new sizzling hot.”
― Rick Riordan, The Mark of Athena

“We're staying together," he promised. "You're not getting away from me. Never again.”
― Rick Riordan, The Mark of Athena