And if parameters change, the decisions around finances can change too. Your response implies that its unhealthy to speak openly and clearly about finances. It

And if parameters change, the decisions around finances can change too. Your response implies that its unhealthy to speak openly and clearly about finances. It's much healthier to be concrete and open about how money is managed rather than having some vague understanding or not talking about it at all. If you have a clear understanding that you've both agreed on, then a joint account doesn't provide any benefit.