Hello, JC.
I feel, rightly or wrongly, that your unusual masterbatory technique has damaged the sensitivity of your nerves at the end of your penis.
One of the best, if not THE BEST, masterbation techniques for a man is do use the hand around the penis up and down action. Another is to use just a couple or three fingers underneath the penis and the thumb onto (i find that leads to explosive cllmaxs!!)
I am a member of a forum on another website which focusses very much on penis develeopment and penis exercises and one of the best techniques for ensuring cllmax and maintaining erec ...
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