They are many reasons why we love our cats.
Some cat quotes for you and outstanding pictures:

There are few things in life more heartwarming than to be welcomed by a cat. ~Tay Hohoff

If cats could talk, they wouldn't. ~Nan Porter

The cat could very well be man's best friend but would never stoop to admitting it. ~Doug Larson

There is something about the presence of a cat... that seems to take the bite out of being alone. ~Louis J. Camuti

As every cat owner knows, nobody owns a cat. ~Ellen Perry Berkeley

The reason cats climb is so that they can look down on almost every other animal - it's also the reason they hate birds. ~K.C. Buffington

Cats do care. For example they know instinctively what time we have to be at work in the morning and they wake us up twenty minutes before the alarm goes off. ~Michael Nelson

When I play with my cat, who knows if I am not a pastime to her more than she is to me? ~Michel de Montaigne, Essays, 1580

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