He's asking the right questions, so let him process through it and offer to take financial responsibility for the family. You don't have to heap all that on him right now. If you are struggling to the point of needing him to take on responsibility now, then that might be a different conversation.
I just keep thinking that your M doesn't need any added strain at the moment.
Just stay present with it and don't get into all the details that can wait a little longer... remember, you want your honeymoon to last as long as possible, because inevitably it will end. Why end it sooner?