@DustyMaiden
You should do whatever you feel comfortable with. In my 24+ year marriage, there is no "your money and my money." All money belongs equally to both of us and who earns more is totally irrelevant. There is no "his car and my car", they are both our cars equally. We have never once had disagreements about money because everything is both of ours equally. To me, that is how a marriage should be, but everyone is entitled to do whatever they wish.
Ditto
I did this with my ExH and it turned out we had very different attitudes to money. We had a screaming argument where he took the last money out of the account to buy a computer game and the electricity bill bounced as a result. Not the only reason he is an Ex, but one of many.
Based on that experience, I decided I would never share money with anyone again. As such, DP and I transfer an amount to a joint account each month and all household expenses (including food shopping) go out of that. We have our own cars that we are both responsible for and pay for our own petrol.
We earn roughly the same (within 500pa) as each other and put in the same amount. However, a couple of years ago, I took some time out to study and went down to 40% earnings. I still wanted to split things equally as I didn't want to feel like I was taking advantage of him, or indeed that he should be financially responsible for my life choices.
Also, he has an (adult) DD who he was helping through uni at the time. Equally, I didn't feel it was my responsibility to contribute to that, although I chose to help her by getting the occasional grocery shop for her.
It all comes down to your individual circumstances and what you feel comfortable with. DBro and DSIL have pooled everything from day one. That works for them, although DSIL wasn't working at the start of their relationship and I thought it was a bit odd, now DBro has cut down on his time at work and DSIL has stepped up.
If you have DC, it's a bit different. Not only do we not have DC together, he has one that isn't mine, so it just adds a layer of complication.