Lily laughed despite herself, pressing a hand to her mouth. "James, that's horrible. If you even tried that, she'd have you in detention for a month."
Not that he was any stranger to detention, she knew. Him and Black both.
"Besides that, everyone knows the really good love potions take upwards of a week to brew ... and with your attention span, you'd forget it, like as not."
Though she wondered if that was really his plan, or simply something he'd invented last-minute to try to divert her attention from what he'd really been after.