"Oh, relax Malfoy," Blaise said. "Everyone knows you aren't going to take advantage of her. I know it, she knows it,  Miles Bletchley — who's fine, by the way, despite the way you tried to kill him over a crude comment — certainly knows it."   He glanced down at his nails as if to say none of this were quite as interesting to him as the possibility he might have a scuff on his manicure.  "Though it does seem unfair to keep her from enjoying the one benefit of being magically drawn to you.  Just because you can't enjoy sex while lost in an adoring haze doesn't mean you should stop her from that delight.  It's selfish of you, really."