annabeth had only been missing a few days and percy was well....going insane, inside in the posedion cabin for dinner, him and annabeths weren't dating, WHY did everyone think that? But he couldn't eat or sleep with her gone, maybe in danger, he'd been sulking since he came back to camp with artemis' hunters, and grover came in after dinner to see percy fiddling with annabeths invisibility cap that she'd left by accident, and grover suddenly has a look of realisation "ohhh....you have a crush on her..."