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.
But do men actually run out of sperm? Well, the simple answer to this question is âNoâ. Men never run out of sperm and their testicles keep on producing sperm cells until the day they die. This is why you may have heard stories of even 90 year olds fathering a child. This is very true. While women stop being fertile when they reach menopause around the age of 50-55 years, men are always fertile.