I didn’t pay it off, but I paid for everything while she was digging out of her own hole.
Is my debt your debt? Would you be willing to bail me out? My wife came with $40K of debt. While it’s certainly easier if two people believe the same things, the more flexible you are about religion, the easier it is to find yourself a partner.
How important is religion? How will we celebrate religious holidays, if at all? Religion is as big a deal as two people make it. Bringing too much of it to your marriage can be an unbearable weight.
Will our experiences with our exes help or hinder us? There’s a reason people talk about having baggage that can fit in an overhead compartment. Will we have children, and if we do, will you change diapers? As I’ve quoted from a previous NYT piece – the best predictor of a happy marriage is a man who helps out with housework and childrearing. 
Did your family throw plates, calmly discuss issues, or silently shut down when disagreements arose? The answer is B: Calmly discuss issues.