- Very satisfying finish for some people. It can boost the amount of a partner's orgasm/pleasure. Perform only if you trust your partner (no gonorrhea, trichomonas, chlamydia, HIV, herpes, or any STDs). - There is less chances of getting infected (STDs) by oral sex comparing to intercourse or anal sex. Even if I said "less chances," it does not mean the oral sex have some "preventive measures" against STDs or HIV. - And of course, you can't get pregnant.
Some do, some don't!Note that fellatio should not result in a pregnancy, but it may still transmit STDs.
they are often mixed during swallowing
The epiglottis moves downards to block the trachea during swallowing.
The epiglottis closes the entrance to the trachea during swallowing.
The uvula flips up during swallowing to prevent fluid from entering the nasopharynx.
epiglottis
You could perform fellatio (oral sex). You decide if you want to spit or swallow.
Probably to get oral sex or fellatio before vaginal sex.
Epiglottis
epiglottis
epiglottis
epiglottis