It had taken Severus seventeen apologies and eight promises of letting the budding relationship between Lily and Potter alone before Lily forgave him. It had taken two apologies and twenty-two promises of “I’ll keep everything between us away from you” before Severus forgave her. He was not happy with the new-found romance, nor would he ever be. But Lily was happy – Merlin only knew why – and Severus didn’t have it in him to keep fighting with her. Even if she had chosen Potter.
However, that hadn't stopped Potter from antagonizing Severus. And, while Severus wasn't going to go out of his way to break up the pair, he wasn't going to take Potter's pranks lying down. It seemed, after Severus' little prank, that the rivalry was back on. It just wasn't something that Lily knew about.
The first time Severus and Potter had class together was the morning after the incident in the hallway. Severus was in the back of the class, as usual, while Potter was in the front, next to Lily. While McGonagall's back was turned, Potter turned his head to the side, catching Severus' eye, and kissed Lily full on the mouth. Then, he...