Sex requires an erection. Good sex is increasing excitement terminated only by orgasm. Sex should be natural and spontaneous. In this enlightened age, the preceding myths no longer have any influence us. Stress is defined as any mental or physical demand that is placed on a person.
Adrenaline is an erection buster.
A person's reaction to stressful events is physiological. Stress can cause a man's heart rate to increase, and it can elevate blood pressure, increase muscle tension, and speed breathing. What some people don't know is that stress can pile on and cause a cumulative effect. Constant arousal due to stress, can affect sleep, energy level, and concentration, as well as sexual desire and functioning. Most patients and their partners are not surprised that stress can cause an ulcer or a rise in blood pressure.