It was on shrooms, at around 30 some years of age, that, while sitting on bed, I took extra attention to my testes ---hung-up-ness it was called in olden days---, and the puppies were moving around in the scrotum sack.
I.e they appeared to have a** life of their own**. I showed my wife and she confirmed what I saw was not an hallucination at the time, and next day and to this day, ive checked occasionally. Always are moving, and you have to watch very closely, is my best advice.
.." If your boyfriend's testicular movements were even more pronounced, then you can thank his cremaster muscle. It gently bungees the testicles to whatever part of the neighborhood they need to hang comfortably in. Another muscle, the dartos muscle, helps move the testicles up and down inside the scrotum. Together, they enable, as Kramer would say, "the boys," to dance."...