Simple: Pissed, inflated, and horny.

A dragon during this time is at a hormonal surge. They're basically absolutely mad with the thought of breeding and domination, their feral instincts are going crazy. The way Winter and Crystal fought each other as like they were fighting over territory. They just wanted to bring anything down with a hole in it.

Reasoning with a dragon like this was completely out of the question. And since they were your children, there was no way in hell they couldn't absolutely fuck anything that moved, willing or no. Maybe even you... No, that was absurd. But the thought of them at least trying to hold you down, enlarged dicks in your face at the very least sounded... Tantalizing.

Both of them turned and noticed you mid fight. Still holding each other, Winter was first to hiss, "There... Mother, you bitch!"

"You come here to interrupt our fun!?" Crystal roared as her tail struck a wall, "you know, I get tired of see you walk around dressed like that," no one one wore any clothing, but dragons weren't at their brightest like this, "without my dick in your jiggling, fat, dump truck of an ass."

"We outta strap you down, tie you up, and use you like a mobile sperm dumpster," hissed Winter. Even with all this focus on you, they still didn't let go of each other. And their cocks looked like they were getting bigger and more excited.

"What's stopping us," Crystal muttered as she licked her lips and Winter mimicked her, "the treasure, the golems, twig, you... We should have this hoard, not you!"

"You should be in the nest, taking care of our hatchlings," Winter added on, both of them grinding now, completely zeroing their aggression on you, "you should be in the nest, feeding our babies, a belly filled with cum and eggs, and slurping down these dicks! You should be our broodmother, you fucking tease!"

Well, this warranted only one kind of response...