You're cute when you're worried," she muttered. "Your eyebrows get all scrunched together."
"You are not going to die while I owe you a favor," I said. "Why did you take that knife?"
"You would've done the same for me."
It was true. I guess we both knew it. Still, I felt like somebody was poking my heart with a cold metal rod.
"How did you know?"
"Know what?"
I looked around to make sure we were alone. Then I leaned in close and whispered: "My Achilles spot. If you hadn't taken that knife, I would've died."
She got a faraway look in her eyes. Her breath smelled like grapes, maybe from the nectar. "I don't know, Percy. I just had this feeling you were in danger. Where... where is the spot?"
I wasn't supposed to tell anyone. But this was Annabeth. If I couldn't trust her, I couldn't trust anyone.
"The small of my back."
She lifted her hand. "Where? Here?"
She put her hand on my spine, and my skin tingled. I moved her fingers to the one spot that grounded me to my mortal life. A thousand volts of electricity seemed to arc through my body.
"You saved me." I said. "Thanks."
She removed her hand, but I kept holding it.
"So you owe me," she said weakly. "What else is new?
— Rick Riordan
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