(THIS STORY DOESN'T BELONG TO ME)
Lavender and Parvati let Hermione read a muggle article called "25 things a perfect guy would do" and she realized something while reading the article.
Sorry for the wrong spellings
"You're a good friend, Hermione."
She narrowed her eyes at him. "So we're on a first-name basis now?"
He shrugged. "I feel it's only fair after spending every moment of our free time in a lab together. Also," he scratched at his chin in thought, "I'm pretty sure you're dating my best mate."
Disclaimer: I DO NOT OWN THE CHARACTERS OR WORLD, those belong to J.K. Rowling. I am writing this for fun, and for no monetary gain.