[theawesomeman]

You can not stop a penis from growing or make it shorter, the only thing you can do as far as adjusting his penis size is to make it bigger and it sounds like you don't want that. No one knows if it is done growing, will grow another inch, or will grow 5 more inches. But, you do know that eventually it WILL stop growing. As far as handling the penis easier when giving a blowjob stretch your mouth open very wide. When having normal or anal sex there might be some excersizes you can do to help yourself handle it easier.