Lily Evans certainly feels like a dummy, and a survival book regarding James Potter would be helpful this seventh year! Sharing a dorm, patrolling together... where is the Dummies book when you need it?

She started going out with him in seventh year," said Lupin. "Once James deflated his head a bit," said Sirius. Lily chooses to eavesdrop on a certain Sirius and James conversation. It was short, but it was enough. James/Lily one-shot