I don't cry, and I can't guarantee if this is exact but after leaving places and people I've become accustomed to I feel crushing sadness and that's likely because I know it's a rare event for me, or that I'm missing someone. This was more prevalent when I was young. For example, when someone left my house I would watch their car until they were out of my view (feeling sad), and then, admittedly, I went to smell where they last were in my house and kept doing that on and off for a few hours. Really weird. >.>
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Unapologetically, Norny.
-chronically drunk