It's the Romeo and Juliet effect. Ron telling her not to get too friendly with him. And I suppose Draco might have some objections to his son going out with a Weasley, the daughter of Ron and Hermione, no less!
ok so i have this essay due in a few hours and im procrastinating and i never meant to leave a comment because i never have before (so this should just be an all encompassing comment that i absolutely adore all your work) but i have to mention that my absolute favorite part of this piece is rose's eyes. i thikn you know why. ok essay time