In Japan, it is tradition for husbands to get a monthly allowance from their wives.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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In Hong Kong, a betrayed wife is legally allowed to kill her adulterous husband, but may only do so with her bare hands. (The husband's lover, on the other hand, may be killed in any manner desired.)
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In Saudi Arabia, a woman reportedly may divorce her husband if he does not keep her supplied with coffee.
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In ancient Greece, tossing an apple to a girl was a traditional proposal of marriage. Catching it meant that she accepted.
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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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