Cats are mysterious creatures and often can seem to want to keep us guessing. One of their many mysteries is the question, why do cats have tails? It is widely known that cats have tails, and not all animals do. It's even harder to comprehend how they are unique to cats and their purpose in a cat's life.

Cats are famously known for their independent nature and curious personalities, but how are they really? It turns out cats possess sophisticated brains that rival those of many mammals. In fact, cats have been found to be like some primates — making them one of the smartest domesticated animals in existence.

It is always a sweet gesture if your pet comforts you whenever you feel bad. Sometimes we wonder if our pets can understand how we feel. Whenever we feel alone, we hope that we can converse with someone without having to feel any biases. But fortunately, pet cats do. If you ever wonder if your cat knows if you are sad, read below to find answers.