Lily Evans was the Coolest Person He'd Ever Met

Sirius Black was incredibly certain that he knew himself very well. So well that at breakfast, he slid several pastries and muffins into his bag, knowing full well he'd forget about them and be pleasantly surprised later.

"That's alright. Being scared ain't a bad thing." She said it so matter-of-factly he might've almost believed her. "But it's also kind of exciting, isn't it?" And with that, a wicked grin spread over her face. Okay, Lily Evans was the coolest person he'd ever met.

Sirius Black, notorious fan of Lily Evans' muggle magazines, finds himself inexplicably obsessed with one specific edition he sees her reading at breakfast. That paired with some feeling in his stomach that he'd rather not think about, he learns that Lily Evans is way cooler than he thought.