We have always had joint accounts, any money earned by either of us goes in the account(s)and all direct debit, bills, shopping etc comes out of it. We freely take money out of each other's purse/wallet, pockets etc.
It's just that I was having a conversation with someone who said "it's your money and you can do what you want with it". And I found it a surprising stance to take, surely it is "our" money not "mine" or "his". This person equally thought I was crazy to have a joint account with dh