Flowers of Edo

...The saying "Even dogs don't care about a couple's quarrel" means that if you leave them alone, they will make up on their own, so it's best not to get involved, and that even dogs don't care about couples' quarrels. Fires and quarrels were called "the flowers of Edo," and it is said that this is because they cause a ruckus. There is also a theory that when there is a fire, the economy improves because money is spent on reconstruction, and when quarrels are reconciled, eating and drinking are also common, so restaurants make money, and that is why they were likened to flowers. ...

*Some of the terminology that refers to "Edo no Hana" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…夫婦げんかは犬も食わないというのは，ほうっておけばひとりでに仲直りをしてしまうから，よけいなおせっかいはしないほうがいい，犬ですら夫婦げんかには関心をもたないという意味である。火事とけんかは〈江戸の華〉といわれたが，はでな騒ぎになるからだとされている。また火事があると復興に金をつかうので景気がよくなる，けんかも仲直りに飲食が付物なので飲食店がもうかる，それゆえ華にたとえたという説もある。…

※「江戸の華」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報