Dr, i'm 23 years i'm having some doubts to be cleared so recently I have started to keep retracted foreskin for prolonged period of time but I can keep it only 1 hr30 min after that swelling starts near the bases of frenulum it swells up and bulges out which is tingling with mild pain in the swelling whenever I saw this I quickly stop this practice. But after 30 min it again comes to normal. So Dr. what to do that the base of frenulum no more swells up so what problems is this why i'm not able to keep my foreskin full time retracted.