Using Self-Stimulation to Relieve Stress - A Guide
Men engage in self-stimulation because it's fun and easy to do – and the equipment required is always handy (and almost always in working order). That's reason enough, but the fact that self-stimulation is a great stress reliever makes it an even more attractive entertainment option. Regular self-stimulation can be a benefit to male organ health, as it helps keep the organ in shape and "in practice," but the stress reduction associated with self-gratification can have a significant impact on a man's overall health.
How does it affect stress?