A friend of mine related a story of how she once brought a boyfriend of hers to her parents' house for dinner. Her father and her boyfriend (Edgar) apparently didn't hit it off real well, and before the evening was over, her father ended up saying to Edgar, "You know what your problem is, don't you? Your problem is you don't have a purpose! Everyone has to have a purpose in life, and you simply haven't found one!"
I have no idea if the real Edgar ever found his purpose or not, but if he did, this is how I imagined it.
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