How do you handle your home finances if you are married?

I mean in the case you are married. Im not married, im single and I dont have a boyfriend but I want to know how you handle finances when you are married? Together or split bills. Each household Im sure handles their finances differently according to what it fits better to them.

Also what about when yiou go to trips, who handles the accomodations, plane tickets, food So how you do it?

Do you split your house bills or only one pays everything? And only when it comes to personal stuff of each one, each one pays with their own money for their own stuff?

Do you pay your husband or wife back something when you get paid at work, in case your husband pays something that it is your bill to pay but at the moment you dont have the money but you pay him later? I mean this does not happen often though but it could happen.
How do you handle your home finances if you are married?
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