Do you all do this with your brother?

My sisters for some reason likes to bite my shoulders, she does it multiple times a day, and not only that she also sniffs it sometimes and I don't put on any kind of fragrance at home so what she's smelling is most probably my natural body odor or sweat, all of this started after a few months from when I joined the gym, do you all do this to your brother? If yes then why?

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u/SHINIGAMI9161 — 5 months ago