I lived in a family with a "common boiler". In fact, it resulted in "what is yours is ours, what is mine is mine". It was funny - the value of the gifts I made was checked for the balance of money in the common basket. Even if I liked the gift. If I didn’t like it, I’d like to talk about "that we could spend that money on..."If I bought a gift from the asshole – "and why didn’t you put that money in common?!"If I’m excited why she’s wasting her money – "I’ve earned it and I’ll spend it as I think it’s necessary". So naker-naker your common boilers. A clear amount for household expenses (communal and wage), the rest - according to the situation. Hungry, of course, no one is going to starve, and money will be found for the necessary thing, but all kinds of excesses - at their own expense.
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The general budget, the joint management of the host and the family in general is recommended to create only with adequate girls, and not with dumb thorns.