The Lingerie Salesman's Worst Nightmare |link| -

When she finally leaves, Derek finds a single black rose on the counter. The thorns are still wet.

“I’m… very sorry for your loss.” the lingerie salesman's worst nightmare

It sounds like you’re setting up a scene or a character sketch — “the lingerie salesman’s worst nightmare” could go a few ways, depending on the tone you want (comic, dramatic, or psychological). When she finally leaves, Derek finds a single

Here’s a quick piece to illustrate one possible take: When she finally leaves

She tilts her head. “Don’t be. I picked the coffin.”