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generally I mainly jelq at 40-60%, but yesterday I jelq at 80% I felt so good during jelqing but then turtle for whole day,
The general consensus is that lower erection percentage jelqing (such as 40-60%) will aid primarily in length, high percentage jelqing (80%) will be more favorable to girth.
If you “turtled” soon after your jelqing session, chances are you were using too much force - or perhaps too many repetitions, so the cumulative force was too much.
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Does the penis shrink while I am walking naked normal?
Yes. It’s normal.
The penis is sensitive to changes in temperature, so if it’s a bit colder with no clothes, then it should shrink a bit.
However, if it shrinks an unusual amount, and the other factor is that you’ve just completed a PE work-out, it could be in reaction to that. Again, it indicates the use of too much force.
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was doing only plump bend + jelq every the other day this month,
What’s this about?
Why are you doing bends? That’s an advanced exercise. I urge you to consider strictly following The Newbie Routine, until you really know what you’re doing.
Before: I'd like to show you something I'm very proud of, but you'll have to move real close.
After: I\'d like to show you something I\'m very proud of, but you guys in the front row will have to stand back.
God gave men both a penis and a brain, but unfortunately not enough blood supply to run both at the same time. - Robin Williams (: