There are even special litter boxes sold that are intended to go on the toilet seat for this type of training. But as cool as this is, I believe it can be dangerous, especially for owners of male cats. Cats' urinary habits are important to keep an eye on. A change in urination volume or frequency can be the sign of a critical issue that requires veterinary attention. You just can't easily track urine volume if the ca…
The summary of the book is "Eat less, eat fresher, and move more and more often"
Perhaps with cats the movement part maybe not be as applicable, but the eating fresher (no processed foods) and eating less would make a huge difference it a cats life. Maybe someone will write Forever Cat?