Ethan chuckled to himself as he sealed yet another envelope addressed to a random house number on Elm Street. It was a harmless joke he played whenever his evenings grew dull. Little did he know, this time, a dragon would respond. "I wonder who'll get this one," he mused, watching the ink dry.

Ethan's eyes widened when he saw the response. The envelope was ornate, sealed with a wax emblem of a dragon. He broke the seal with trembling fingers. Inside, the letter revealed flourishing handwriting, introducing Eldrin, a dragon from the Enchanted Valley, seeking his advice. "Greetings, Ethan. I require your help in matters of the heart," it began.

Ethan couldn't help but smile at the absurdity and charm of the situation. He penned a reply, offering advice on human courtship rituals. "Dear Eldrin, humans appreciate small gestures of kindness," he wrote, imagining the dragon's scales shimmering in excitement.

Eldrin soared through the Enchanted Valley, his wings gliding effortlessly in search of Lila, the human librarian who had captured his heart. "What would Ethan suggest I do?", he pondered, remembering the advice about human courtship.

Eldrin approached cautiously, his form hidden by magic, appearing as a young man. "Excuse me, I couldn't help but notice your love for books," he began, handing her a rare tome. Lila smiled, intrigued by the stranger's knowledge and charm. "Thank you, not many appreciate these like I do," she replied.

Ethan received another letter, detailing Eldrin's progress and gratitude. "Your advice was invaluable, Ethan. Lila and I share many enchanting evenings now," it read. Ethan felt a sense of fulfillment knowing his whimsical act had sparked something magical.