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My younger brother is fumbling while playing with his nipples and it feels disgusting... I was watching my brother touch my nipples while masturbating while I was careful not to touch him because I'm not a girl. It was the beginning of everything. "You're always making fun of me, but I'm still touching my nipples!" As my nipples were kneaded around, I started to feel like a clitoris, and I was fascinated by my nipples.