Why do cats like to nest in cartons

Basically, the cat doesn't care much about all kinds of toys, but there is an object like fish and mouse. For the cat, it has a special magic. It can make the cat go crazy immediately. You should think of it. Yes, it's a cardboard box. We put a paper box on the ground. No matter what kind of cardboard box it is, the cats will definitely not Hesitate to go in, as for "why do cats like to nest in cartons?" we need to think about it!