Originally Posted by
The Riddler
And they could all have said, "Separate checks" and your coupon would have been worthless. The fact that you were piggy-backing off someone else's purchase is the only reason you could use the coupon. Therefore it is not "your free meal". If you had BOUGHT a meal, then you would have gotten a SECOND meal free. However, you did not buy a meal. Someone ELSE bought the meal, and you are freeloading off that purchase. Either split the cost, or buy two meals. That's your choice.
You're trying to have it both ways. You want someone else to activate the condition of your coupon, and yet you want 100% of the benefit of their decision to purchase a meal. That makes you the offender in the scenario, IMO.