The Black Cauldron (The Chronicles of Prydain, #2)

by Lloyd Alexander

Taran spun around. “Hold your tongue! I have swallowed your insults to me for the sake of our quest, but you will not speak ill of another.”

He said no one gets to yell at his princess except him and he is correct

When he comes back, I hope he tries to put me in the cauldron first! He’ll soon find out who he’s dealing with. He’ll wish he’d never thought of making his own Cauldron-Born!”

It's giving Nesta