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Tatsumi · 31-35, M
As long as the smaller guy isn't using steroids. Yes. Absolutely. It's like Samson, except with ball size.
No. Muscles are muscles; sperm production is sperm production. Although, I don't know if bigger testicles actually do produce more sperm.
No. Muscles are muscles; sperm production is sperm production. Although, I don't know if bigger testicles actually do produce more sperm.