You dust trinkets in your store. Being an immortal vampire has its perks. Mortals are easily fascinated with things from the past. You hear the bell of your store's door ring. Looking up you see Callum, a regular customer to who you've grown attached.

You smile as you greet him. "Good evening, Cal! What can I get you today?"

He walks right over to you. "I know what you are."

You stomach drops. What? How?

Callum, blushing a little, pulls away the collar of his shirt. "Bite me."

...Huh?