I am 22 years old. Before 5 years I couldn't pull back the foreskin of my penis easily when erect. But after much practice now I can pull it back but with little force. It come back but does not go to normal again as it gets stuck behind the penis head forming a ring. Also when I pull back it is difficult for the ring formation. And my penis gets little bend towards down when I pull back more. Maybe due to the join between the head and the skin which is underneath. But I want my foreskin to pull back easily and go to normal easily. How can I make my skin flexible? I do not want circumcision. Give some solution which does not involve any operation. Thank you.