Reposted because I'm a moron and accidentally deleted it.
All the usual disclaimers apply: I don't own Castle, never will, and certainly have no chance of ever profiting from it.
Can Opener
"Ow! Son of a..." Her words trail off as she puts the injured finger to her mouth.
Castle sets down his chili cheese dog (which, in hindsight, looks far more appealing than the can of soup she was wrestling with) and pulls out his pocket square. "Let me see it," he says in a firm, but gentle tone—one that brooks no argument. He examines her hand critically before wrapping the material gently around her finger. "Want me to kiss it better?" His expression says that he's only half-joking.
"No." The lie stings a lot more than her finger does.