Sort of a game: WHY IS IT?

1. If you put down 3 cat bowls all 3 cats go to the same bowl?
2. Why do cats immediately use the litter box you've just cleaned when there are other clean boxes to use?
3. Why is it that when I have gotten all comfy with my blankets, iPad & pillows I hear a little scratching at the door?

Why is it.......

....... when you decide to give one cat a treat and don't see anyone else around.You turn, grab the container and when you turn back with a single treat in hand..... suddenly there are three cats looking at you expectantly.

........ just when the cat finishes grooming and is nice and settled on your lap; the doorbell rings.

........ every time you go to the bathroom; the cat demands your full and undivided attention but is gone when you open the door.

........ at the dramatic moment in the movie; the cats decide to make their own dramatic moment in the other room, loudly with what sounds suspiciously like a mouse squeaking.