Sexual activity, like liquor, drugs, and gambling, increases quantities of dopamine into the mind. Dopamine could be the main neurotransmitter in the brain’s reward system. The brain rewards this activity with dopamine because sex is an activity that promotes the survival of the species. Dopamine produces feelings that are pleasurable. But, the mind’s reward system additionally causes us to be susceptible to addiction. Folks are perhaps maybe not dependent on intercourse.