There are so many men out there that are extremely unsatisfied and embarrassed about the size of their penis. Some men also do not realize that what they may call small is the actual size of a penis. Most penis’s vary from between a size 5 and 6 inches long when erect.
He will see an increase in the size of the head of the penis and the head may also change to a purplish color. His Cowper’s gland will secrete ‘pre-cum’ fluid which dribbles out of his urethra. His testes will move in towards his body, and increase in size. As well, he may experience a body flush, muscle tension, increase in heart rate and rising blood pressure.