"For intercourse to have all these advantages, you must engage with someone in a trusting environment, and be clear about what you want and don't need," explains Catallozzi. "That communication helps make these advantages, like much less stress, potential." Orgasms ship a wave sex XXX of oxytocin and endorphins into your system, which are "natural painkillers," says Chavez, who adds it helps with arthritis...