Zoe ordered the Hunters to start loading. She picked up her camping pack, and Apollo said, “Here, sweetheart. Let me get that.”
Zoe recoiled. Her eyes flashed murderously.
“Brother,” Artemis chided. “You do not help my Hunters. You do not look at, talk to, or flirt with my Hunters. And you do not call them sweetheart.
Rick Riordan, The Titan’s Curse (Percy Jackson and the Olympians #3)