With all the ways the world likes to mess with us, we can't exactly be blamed for wanting to give a little back.
We're just trying to go about our business, and it's not our fault that some people wanna make that harder than it needs to be.
But of course, it's easy to get so used to biting back that you forget to check if it's even a big deal first. Doctors — not good ones, but still — call this a "severe chill deficiency" and, if left untreated, it can blossom into full-blown pettiness.
So as we study the behavior of these severe pettiness sufferers, try to recognize the signs so you can stop the petty before it takes over your life.
Consider this a public service announcement.