• slaacaa@lemmy.world
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    3 years ago

    Submasturbiosis - very common with young people who don’t jerk it enough. The treatment is quite simple and obvious.

  • NRDK@lemmy.ml
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    3 years ago

    In case of danger, the body can retract the testicles closer to, or sometimes even into the body. You’re feeling that muscle tense.