She'd barely been paying attention to the words until then and she audibly winced. She was jolted out of the monotony of the back and forth with Bran and she couldn't help blurting, "I don't hate-" before she silenced herself. Interrupting would be a bad idea.
She forced herself to repeat the lines, slightly more on edge than before until it had been revealed how Romeo had got there. "If they do see thee, they will murder thee." That fear was easy enough to duplicate.