[Her face is kept carefully blank... for most of that explanation, anyway. When he gets to Kylo Ren, gets to the part where she had wanted to be trained by him, her face twists up into something that's equal parts disgust and anger and disbelief, and her denial bursts out of her in a hot rush she can't help.

When she had closed the door in Kylo Ren's face, literally, she hadn't felt much other than a sense of disappointment, in being utterly finished with the path he had chosen for himself. She hates him, yes, but the thought that he could ever teach her anything she wanted to know is just insulting.]

I would rather be torn apart and eaten by steelpeckers and nightwatcher worms than let that monster teach me anything.

[She almost spits it, much like the rush of anger she might shoot venomously at Kylo Ren at the start of those hateful connections through the Force. It's insulting, and it shows on her face.]

The only thing he knows is how to torture and kill. I want nothing to do with him.