These were all very interesting facts to learn, but I beg you to indulge me with a sixth:
How in the bloody hell do you get your cats to do that?! We have only two, they are individually the sweetest, cuddliest things on earth, and they detest each other in the most awful ways that shall not be named here.
Methinks you are a sorceress.
LOL
They snuggle for heat in the winter. If you can call winter in Israel winter. Also, they've been together since they were tiny so I guess that helps. They do fight and even wound each other, but when there is peace, there's a clowder.