Movies
Forget about holding her hand, man. Think about the damage he could do to other places.
— Jim ‧ Edward Scissorhands

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A darkly funny warning that skips past the sweet worry of hand-holding to a cruder one: the damage he might do to other places. The joke turns a romantic milestone into a bodily-risk scenario, with the speaker's teasing alarm doing the work.
Context reviewed