Cat questions in rants

How does the cat know when you're just starting to wake up... and hoping to doze a bit longer... so he can stand by your head and MEOW at you... loudly?

Why is it when you've finally figured out what food is the cat's favorite and buy a lot of it, does the cat then decide he doesn't want that flavor any more?

How is it supposed to be relaxing to have a cat when they run up and down the hallway, then jump on the bed, scrambling over you... with claws extended?

Why is it when you get up in the middle of the night to use the bathroom, the cat decides to walk in front of you SLOWLY, so that you either trip or just barely make it to the toilet on time?

Why is it when you're trying to get to sleep, the cat is trying out all sorts of comfortable positions to lie down in? Sprawled over your chest, your legs, your head, etc... shifting around every few minutes.

Oh, it's so much fun to have a pet in the house... HA!