I bought this rMBP a couple of months ago and this is my first MBP and I intend to keep it for another 4-5 years. I don't really game on my MBP nor do I perform any resource intensive task very often (such as video editing) Keeping in mind the fact that I want to keep this machine for a few years, the question I want to ask you folks here is this: How do I "babysit" this machine? Specifically the battery - I have a bad habit where I just leave it running on my desk/bed/wherever and don't even bother shutting it down every time I don't really use it for a few hours. Should I actually shutdown every time I don't think I'll use the mac for the next few hours? Or should I just shut the lid? And what about charging the thing? Right now I don't let the battery run down - I usually charge it when it's around 20-30% (sometimes at 60%). Is this the right way to go about? I've seen a friend of mine who uses a sort of a board underneath the computer while it's on the lap - sort of like a writing pad if you will. That thing's got no fan or any cooling stuff and I didn't really see the need for it, but now that I've created a thread for this, I thought I might as well add this and ask you guys about the need for such a thing too Any other pointers/tips to prolong the life of this machine?