Before reading this post, take this short online test here: http://www.psych.uncc.edu/pagoolka/LocusofControl-intro.html. You will get a score from 1 to 13, write it down.
Ever notice people bitch about a lot of stuff? I just scanned my Facebook news feed. Of the first thirty stories, twelve are a complaint of some sort. Almost all of the complaints involve work, bills, relationships, or body image. Essentially, all are things that can be changed.