[ He'll tell you about it sooner or later, Ryan. ] She did it so she could keep track of me when she was in a different room.

That's basically it, [ Leo confirms, ] but they could do full-body possession, too. Percy and Jason got that end of it, before Piper talked them out of us.

[ Leo rolls his eyes. ] It gets longer every day, dude. Sometimes I think I'd rather face Gaea and the end of the world than the crap we get here. But you won't have to deal with it again, right? At least there's that. You've got a lot more control with your other powers anyway, Water Boy.