What traditions have you not kept that your parents had?
My dad never told my mum how much he earned. This always created mistrust and friction. Why did he do it? All part of his power game.
When he discovered I shared a bank account with my wife, he warned me of my folly.
I told him I would never create the avoidable friction he did.
A vicar told me he provided most marriage advice to couples with separate accounts.