"Maybe you should stop spoiling him so much," Prometheus said sarcastically, dragging the comb through Aza's thick fur along his back, "He's still a dragon, Hades. He can't go round biting anything that makes him curious willy nilly."

What happened if he bit Hythlodaeus really badly by accident and ended up with blood all over the place? It'd be traumatising for everyone involved! No, Prometheus would play stern parent if it meant mitigating those disastrous possibilities. Ugh, look what death and reincarnation had done to him. He was being responsible.

Gross.

"Here, be a darling and hold his tail would you?" Prometheus said, wagging his brush pointedly, "I don't have enough hands."