Every day of your life, you can find reasons to complain.
After all, you exist in a broken world, and life doesn't operate the way it was meant to. Family and friends will wrong you, good health will elude you, authority will exploit you, and so on and so forth.
I'm not giving you a license to complain, not at all. I'm just saying that it's not very difficult for people to come up with a laundry list of reasons to complain. Simply listen to the conversations around you; there's a lot of...