"They weren't on speaking terms for ages with Ron, were they?" Lavender reminded Parvati. "Him and Harry had that big fight when his name came out of the Goblet of Fire. Maybe that's why. Now that's a proper fucked up sort of love triangle. That wouldn't end well for Ron, mind. And if Harry has gone mental and wants to fool around with Hermione, the Lake is pretty secluded round the back. No-one would see. And if someone did, he could always feed her to the Giant Squid and make it look like an accident!"