I guess the nice thing about being touqued is the sensitive part of your thang ain't rubbing up against stuff directly _all_ the time (underwear, sheets, pajamas, your leg, etc.). Thats got to help your long-term sensitivity to... sex. I wouldn't be surprised to find that because circumcised penises are constantly exposed to 'rubbing' other surfaces, it may diminish its natural sensitivity. Un-circumcised guys only expose it to... good stuff, and probably for only a few minutes a day tops