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.
Rating Newest Oldest. Best Answer: Sperm takes about several weeks to mature, than is stored for release. You make about 1000 sperm cells per second, and ejaculate an average of 180 million per load. You never run out of sperm, but you might temporarily not be able to produce semen to transport the sperm.