Now I'm wondering if the daily routine of PE (stretching and jelqing), over time, has an effect on this 'bundle of nerves" at the base of the spine, especailly when stretching straight out which gets lots of tension. I've been doing the exercises over a year (with a lot of satisfaction, I might add). The length of my soft dick stays an inch longer as well as that much thicker than before, so I'm supposing my mechanism is more ineffective, like Max's. The blood just doesn't seem to leave it. If I let it hang all day, while freeballing, it doesn't get shorter than 5 inches, but after wearing briefs it takes several minutes of freedom for it to get back to its 5 inches. My erection only has a gain of 2 and 1/4 inches from the flaccid state.