The 'harm reduction method'. A great stress relief? Can you injure yourself when masturbating? So if you have a problem, there are two ways to address it. The feel-good effect of masturbation is only due to release of dopamine bio-chemical in brain, which then keeps tempting to do again and again like in case of other addictions that cause similar effect. However, there is a risk of pregnancy with mutual masturbation if sperm is transferred to the vagina on your or your partner's fingers. There is usually about 5ml of liquid, but there may be more, especially if a man hasn't ejaculated for some time.
Single men tend to masturbate more often than married men.
Masturbation is a perfectly normal and healthy exercise. Masturbation is harmless, but if you do it a lot your genitals may feel sore. How do you masturbate? Ever gone for a blood donation drive? Sex twice a day, every day, would be both unsustainable and undesirable.