(Sorry, taking a few liberties with the structure of that first line.)

“So...Mari’s been my Lady this whole time.”

Chat leaned back against the rough brick of a chimney, the memory of Marinette wrapped in pink light dancing through her mind.

“So...I fell in love with my best friend...and I’ve been trying to set my Lady up...with someone else.”

Chat’s arms wrapped around her stomach. She dropped to her knees, the first sobs escaping her chest before her transformation fell away.