[labprotocol]

((That's what I was thinking too))
"Who?" Ivy traced her hands up into his shoulder blades and into his silky curls as she teased his mouth open with her tongue. "Oh," she said, her mouth releasing his with a pop as she took a breath. "The humans?" She shrugged. "I guess. If it bothers you," she traced his left nipple with the hand not wrapped in his curls, curious about the way it stiffened under her touch "we could 'borrow' Ky's cave."

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((I would imagine that heats made it much more likely. Like normal mating is fifty/fifty while heats are in the nineties)
"It sounds like it's getting worst." Ky flinched in sympathy at Nym moan. "Do you know how long tundra dragons are in heat or how often?" Ky laughed, "Maybe next time we'll be better prepared." Ky keep rubbing Nym's back and shoulders and he began to hmm, trying to calm Nym down some.