For years I believed extending the penis was an impossible task, to some degree I still won't believe it until I see it with my eyes. However, after starting a general fitness routine in the last few months, where I have educated myself on the body and diet, surely the logic of being able to extend the penis is sound? The penis is made-up of sponge like tissues, ligaments and powered by a blood supply. Surely if ligaments or tissue are stretched via exercise, or blood flow increases, so does penis size. This has to be common logic, it is the whole reason why we gain erections. Yet consider, when I exercise I increase my blood flow and stretch muscles and ligaments to build them stronger and bigger, and we see the results of that and accept bodybuilding, but not PE? I udnerstand the penis is not a muscle, but the anatomy suggests with caution gains should be possible to be made. I'm not saying PE works for everyone, it certainly should be approached with caution. However, when people say "prove it", I'd say the proof is fairly obvious to anyone who has studied the body. I also cannot believe there are 100's of people who decide to make-up stories about gaining a 0.5 inch here or there, even if that is achieved via blood supply increase, that is a gain. I suspect what is going on here is PE can work, but must be approached with caution, for that reason doctors certainly wouldn't mention it, because the risk of people damaging themselves is great, just like a doctor probably wouldn't recommend the lifestyle of some of the bodybuilders. Caution, time, dedication is probably needed and a question if a 1/2 inch is worthwhile, but the anatomy of the human male to me suggests pe is perfectly possible, within limits, just like the possibility exists for all people to become stronger and fitter.