You probably never though about tears being helpful.
But, they are.
How? you ask.
Well, the article to which we are linking today will explain.
However, as before, when linking to this site -- it often begins with a short video introduction to the purpose of the website. After that is over, the article should appear. If it doesn't, click on the link again and it should work.
HERE'S THE LINK to The Miracle of tears