The cat is a so-called species territorial. It attaches enormous importance to its living environment he will separate into various areas : a playground, an area of isolation (where the animal must be able to remain quiet, avoid contact), a dedicated to his meals or a aire elimination where it will make its needs.
A cat that urinates outside of his litter box does not necessarily to "annoy" its masters"or"revenge"of anything.
Indeed, certain specific circumstances, as a sharp pain that can feel the cat every time he tries to urinate, can encourage him to do other than in the litter, place the animal will quickly associated with his suffering.
A cat who was raised in a very stimulating environment can not properly adapt to life in a space much smaller and low-stimulation.
It can then develop some form ofanxiety associated with disorders of behavior and get to attack the inhabitants of the apartment to offset his need to hunt.
Cats have less energy requirements than dogs, What predisposes them to obesity (a cat needs two times less important than those of a dog of the same size). To quickly combat any excess weight, not because of the physical appearance that gives to the cat, but more for maintain the animal in excellent health.
The sterilization will allow, not only, to exclude any risk of unwanted reproduction but also to avoid the disadvantages associated with the heat in the dog (blood loss, behavior change, onslaught of male dogs…).
Other advantages are associated with ovariectomy, This particularly as surgery is carried out early.