There are certain things in life you can basically set your watch to. The sun will rise and set, the bus driver will show up way too early and make me run for him, and it'll probably rain on the beach day you've scheduled way in advance.
But if there's anything the world seems to hate, it's being predictable. So just when things are getting routine, it'll throw something crazy in your path to spice things up.
Some of those spices are nice and zesty, and some of them are more like pepper spray — they're unexpected, they're unpredictable, and they're on this list.