How the last four generations have thus far shown no degenerative spine conditions, not how many generations of their dogs have championships.

How a pups predecessors lived ten, twelve or even fourteen years with very few breed related problems.

Dogs that they have bred that have passed obedience trials or are living successfully with families with young children.

Health testing that was done to both parents before breeding, as well as pre-natal care.

The superiority of French Bulldogs to any other breed of dog...especially pugs.