No matter how she phrases this, it isn't going to be easy. Her shoulders slack.

"I need to know what is going on between you and Hux."

Rey isn't blind. She notices things. More so than she cares to let on sometimes. Usually she's good about keeping her mouth shut, but between catching that man's conversation with the Null and seeing Maketh consorting with him even in places such as her own Speakeasy, Rey feels that she only has one shot at making this right. Before someone close to her gets hurt.