Lois loves Clark much earlier than he loves her in Smallville Style by rkn. In this story, Lois and Lucy first meet the Kents when Lois is 13 and Clark 15, which may not be what you were looking for. I found it interesting to see how the story changed.

There's also a sequel, Love Survives.

Cuidadora

"Honey, we didn't care if you were a Russian or a Martian... You were ours... and we weren't giving you to anybody." ~ Martha in Strange Visitor

"A love that risks nothing is worth nothing." ~ Jonathan in Big Girls Don't Fly