Hermione had at least enough sense to let go of Ron as Harry startled her out of whatever overpowering rush of emotions she'd been stuck in. She... she would have done just about anything with Ron, just then, she realized. And it was a shock that she didn't feel completely ashamed of the idea.
She moved away from him, though, just sitting between him and Harry on the sofa as Harry talked. Except...
"Of course we're just friends..." She said slowly, then she turned to look at Ron almost accusing. "What did you say to him?"