Cut your bought or home grown spring onions about 3cm (1in) above the root. Use the leaves in cooking and add the stem/roots to a glass with clean water to rehydrate roots. Change water daily & keep in a well lit position such as a windowsill or kitchen bench. Watch green leaves regrow.
Basically, a hard thwack to the balls would do the trick.   Also, a man could stop producing sperm because â¦of a hormone imbalance, especially age related.     Men never stop making spermatazoa after the onset of puberty, as long as their testicles remain intact.
The penis will stop growing by the time Puberty is over. So most boys penises will have stopped growing by the age of 16 to 21.It will grow to the size it is genetically desti â¦ ned to be, regardless of what you do to it. There are no foods, supplements, or exercises that will change the size of your penis.