 I don't believe you could get as far as you are today with 3,200 locations, Cliff, if you didn't require some kind of buy-sell agreement, something that we have all of our clients take part in for their businesses. Yeah, I think that was critical. I don't think the chain would have advanced in the 60s had that not been in place. But we also have some variations on that theme in our license agreements now in terms of heirs who come into the business and ensuring that they have