tidbits and trivia
"In 19th-century Japan and China, 'talks too much' was one of seven reasons for which a man could divorce his wife"
From The Art of Marriage: A Guide to Living Life as Two by Catherine Blyth
In attempting to research this, I found one other ground for divorce in ancient Japan: the wife being left-handed. http://www.fortunecity.com/bennyhills/holygrail/176/history.htm