Should a wife know how much her husband earns?

Many still believe that the Soviet man brought his entire salary to his wife, and then she would give him some money for small expenses while managing the whole budget herself. Yes, there was a family budget. And each person contributed to it. But it was no secret to anyone how much each person earned. To say nothing of the fact that people even knew how much their neighbors made. People had nothing to hide. Today, no one knows the size of their friends' and relatives' salaries. By the way, in Europe, it is considered inappropriate even to ask about it; the topic of wages, just like religion and politics, is regarded as unacceptable because it's a personal matter for everyone. And, by the way, it is standard for a wife not to know how much her husband earns, and he has no idea about her income. That is, they don't know the exact amount. If the wife doesn't work, she might not even have a rough idea of the amount; she isn't concerned about whether everything is enough, and that's good. But some men deliberately hide from their wives how much they earn. Why should she know about it?

 Does it matter to know this? They even hide money from her. It’s good that today you can keep your entire salary on cards and don’t have to make secret hoards and hide money in books, in cabinets, and under mattresses. I opened a card that my wife doesn’t know about, and there it is, my stash, and I can live peacefully. Why can a modern man hide from his wife how much he earns? One woman complained about her man, with whom she has been living for several years (without a stamp). She tried a couple of times to ask him for money because she sometimes doesn’t have enough to pay off her loan. But he said he doesn’t have any money. That his salary is already not enough; it’s small as it is. And he won’t know exactly how much he earns. So, one time, his colleagues came to visit them. During the conversation, it accidentally came out that his salary is not so small after all, and they even have quarterly bonuses equal to his salary.

So, where does he spend the money? The man is trying very hard to keep this a secret. Why does he do this? It can be assumed that he is paying alimony, after all. Alimony, because if a woman does not know about his children, it does not mean that they do not exist. Maybe he lives with two families altogether? Or perhaps he has a lot of debts. In general, the man has something to hide. Many men, by the way, believe that the wife does not need to know how much the husband earns. This question should not concern her. There is a house, food, leisure, meaning the family lacks nothing; everything is there, so the wife does not need to know about the husband's salary. Do you agree with this? Should there be such secrets in a family?