Nod: Do you want these salmon fillets? They are approaching their sell by date.
Me: Thanks. Um, they are frozen and it seems you bought them about a week ago.
Nod: Yes, but they are near their expiration date.
Me: Bit they are from your FREEZER! They are frozen!
Nod: Yes, but they are nearly out of date.
Me: Do you know what freezers do?
Nod: ?
