I'll watch the same movie over and over for months. I watched Fight Club every day for almost a year. Surf's up for several months. How to Train Your Dragon still gives me goosebumps after countless repeat viewings. Peaceful Warrior. The Thing (1982).
I listen to Moby while I sleep, have done that for years. I could eat quesadillas forever, have had them for breakfast, lunch, and dinner for weeks at a time.
I wear the same stuff over and over. Polo and shorts year round, except at weddings and funerals; then I'll get the pants out.
YouTube is a great way to get a repeat fix of a certain song or a scene. Yep, you're totally normal, for one of us.
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We are not so different from potted plants in that, if given everything we need to be properly nourished, the outcome can be incredibly contrary to when we are not. A flower won't grow in flour, and neither can we.