Nobody is born without fear. We are all born into this world screaming and crying, a bloody mess. We're afraid of failing. What differentiates people is that some of them tend to deal more with fearful situations and understand that it's hurting them in life. That by becoming fearful they're maiming themselves and they learn to move past these fears.
Adultery is an evil only inasmuch as it is a theft; but we do not steal that which is given to us.