Most cats can be indoor cats. I like out door cats mostly. 
Well, I pretty much like all cats, but I have had some pretty cool indoor house cats for pets.
My out door cats are always get companionship for me when I am lonely. 
Awww, that is true about most cats in general. They love us unconditionally!
My cats have no special breed. They are just alley cats. 
In my opinion, the mixed breed cats, such as alley cats, seem to make the best cats.
registries.
Cats are similar in anatomy to the other felid species, with a strong flexible body, quick reflexes, sharp teeth and retractable claws adapted to killing small prey. They are predators who are most active at dawn and dusk (crepuscular). Cats can hear sounds too faint or too high in frequency for human ears, such as those made by mice and other small animals. Compared to humans, they see better in the dark (they see in near total darkness) and have a better sense of smell
(often an odd name, presumably unknown to the character) that someone else (normally a similarly odd name) has died, though other versions simply have the traveller see a group of cats holding a royal funeral. He reaches his destination and recounts what happened, when suddenly the housecat cries something like "Then I am the king of the cats!", rushes up the chimney or out of the door, and is never seen again.
Folk tradition.
In William Shakespeare's "Romeo and Juliet"