Or how about the "ankle bracelet" scene in Double Indemnity?

Phyllis : There's a speed limit in this state, Mr. Neff. Forty-five miles an hour.

Walter Neff : How fast was I going, officer?

Phyllis : I'd say around ninety.

Walter Neff : Suppose you get down off your motorcycle and give me a ticket.

Phyllis : Suppose I let you off with a warning this time.

Walter Neff : Suppose it doesn't take.

Phyllis : Suppose I have to whack you over the knuckles.

Walter Neff : Suppose I bust out crying and put my head on your shoulder.

Phyllis : Suppose you try putting it on my husband's shoulder.

Walter Neff : That tears it.