It really is a bad idea to sip pumpkin spice or other latte from a paper cup while sitting at your notebook computer.
Spillproof lids only minimize spills.
The accidental damage coverage on any new notebook purchases is worth it.
It really is a bad idea to Razorboard through the city without wearing knee pads and wrist guards.
It's advisable to learn the above lesson after your first wipeout, rather than waiting until you do it again.