with the new technologies so advance ppl can go and inject new blood even he is 80 or 90 yrs old after that he can behave like a40 somethings yr old man so if that person only got 1 ball is sap sap sui , can jes go and fix back one mechanical ball can store more bullet and perform better than b4 , even if his pisang sulah patah also nvrmind , can go for operation and fix a new one stronger , better and last longer sap sap sui lah happy merdeka to everybody , especially to me bcos everytime my b/day is a holiday sometime got free cake