Regardless of the weather outside or the temperature inside, I almost always have to have my feet covered when I sleep. Even if it's only a thin sheet or light blanket, I can't have my toesy-woesies, my little piggies exposed to the air. I don't know how it why this is, but I'm sure it has something to do with having been born and raised in a place that had 9 months of cold weather per year.
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Merlin 