Penile Sensitivity

Hi, I’m into my 3rd week of jelqing and was wondering if continual jelqing makes the penis lose sensitivity? Is that the same with masturbation or any other penile activity?

You should not be losing sensitivity during jelqs. If you are, you may be gripping to hard. Nerve damage is bad.

Indeed. Do it gently. Growth is encouraged, not forced. If you are sure that you feel markedly less sensitive, take a couple of days off.