Should you share how much money you have with your partner if you're going to live together?

Anonymous
I'm going to move out soon with my girlfriend, we've been together for a little more than 2 and a half years now and this will be the first time either of us will be moving out. Neither of us makes that much money and I would like to tabulate how much we make vs. how much we would owe ahead of time and while we're living together if we're going to take on such a large financial responsibility (I take on the initiative on such things usually, which is why I say I would like to do it).

I made it clear that I'll listen to her input and not be controlling with her money or anything like that, I think it will be good because it will prevent us from irresponsibly spending money and do a good job saving it since you really don't want to fall behind on rent. The problem is that she doesn't want to share how much money she has with me, even though I'm more than happy to share how much I have.

So I was wondering, should I expect my partner to share that kind of information? Maybe I'm crazy but I thought she should because it's important information for us to share and she doesn't have anything to lose by sharing it with someone she should trust.
Should you share how much money you have with your partner if you're going to live together?
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