From a promotional email:
Split Lobsters on sale now
They say two halves make a whole, and with Valentine's Day around the corner, we've taken this advice, and we're going to run with it.
Get 15% off our cooked and raw split lobsters this month while stocks last!
Who buys just half a lobster? Its not something you normally eat alone is it?
The discount price is just half the normal price for a whole lobster.
So if you buy two halves there is zero saving, except for the 15 seconds it takes to cut one in half.