There is a technique where you place 2 or 3 fingers under your testicles between the anus and testicles, and press. This compresses the duct from the testes to the penis. But this is not especially effective, because the process of orgasm will normally resume quickly. So don't use this as a birth control method!
yes
That is perfectly normal if you are male. Men are usually turned on by nude things.
It just means you are sexually aroused. Whether this happens depends on the man. Some men release semen readily after an erection while others need quite a bit of stimulation.
Consuming your own semen will do you no harm.
It is impossible to do. Females simply can and do not produce semen.
Yes, men who have had vasectomies still have DNA in their semen. The vasectomy procedure blocks the vas deferens, the tubes that carry sperm, preventing sperm from reaching semen. Semen is still produced by the body, but it does not contain sperm.
No, they don't.
in the testes
Mixing semen from two gay men does not result in any unique or different outcome compared to mixing semen from individuals of any other sexual orientation. Semen is primarily composed of sperm and seminal fluid, and mixing semen from different individuals would not affect its basic properties or functions.
The details vary, depending on whether you are a man or a woman; in the case of men, eventually you will get excited to the point that you release semen (you ejaculate). Both for men and for women, masturbation is quite pleasurable.
No.
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