My niece has been living with her partner for a while, they make a nice couple. Apparently they are talking of TTC in the near future and have a vague plan to marry sometime. I would like to see them marry first but obviously that is her decision.... but I want to make sure that she is able to make an informed decision. Can someone point me in the direction of some clear information that I can point her to that will illustrate the differences between married vs unmarried?