Sensitivity to your penis is normal. But it's also possible for a penis to be too sensitive. An overly sensitive penis can affect your sexual life.
The many nerve endings in the penis make it sensitive, but several factors can cause the penis or testicles to become numb, including cycling.
In general, the sensitivity of the penis is gauged by the least amount of stimulation a man is able to feel. That is called the "sensory threshold.".
J Sex Marital Ther. Fall;19(3) Penile sensitivity in men with premature ejaculation and erectile dysfunction. Rowland DL(1), Haensel SM, Blom JH.
Learn how to regain sensitivity in the penis and why nerve damage, diabetes, injury, and even depression might be causing a loss of sensation in your penis.