finally got my 11" mba so I'm a little paranoid with protecting it. I have a 2yr old unusually large orange tabby. when the laptop is closed and on my bed he likes to lie on top of it. even sometimes when it's open and I leave for a few minutes he runs and lies on the laptop like this not a pic of my cat but this is how he likes to lie on it too I'm pretty sure I read on these boards before that pet hair screwed up their macbook. should I be worried? Every chance I get I try to prevent him from getting on it but every now and then he's successful. He's even kind of obsessed with it now because he knows I don't want him on it. but seriously though, should I be worried? can the cat hair go through the keyboard, into the laptop, and clog up the fan or something?