I think he thought I was going to sit in the car and eat it in the parking lot

[INT: Local Convenience Store – BUYING A PINT OF MINT CHOCOLATE SWIRL ICE CREAM]

Cashier: Will that be all?
Me: Yes.
Cashier: Do you want a bag for that?
Me: No, that’s fine.
Cashier: How about a spoon?
Me: …

Anger