Natural Good Health
The cat evolved to operate at peak efficiency in its natural environment and keep itself in a state of good repair throughout its expected lifespan.
Almost all of its excellent design is still to be seen in the domestic cat today, despite the vastly different environment in which it now lives.
It is easy to read and admire the signs of good health: bright eyes, glossy coat, supple movement, and clean skin. Any variance from these high standards deserves our care and attention as responsible owners.