If you're getting married, you need to think about your will. In Ontario and some other provinces, getting married revokes your existing will. While there are limited exceptions to this, the document sitting on your (or your lawyer's) shelf is likely a number of years old and does not take this into account.
After 25+ years in the financial services industry, I have found that there are some common financial mistakes along with some other things that keep rearing their ugly head with newlyweds (and long-time married couples as well, by the way). Here are a few things I suggest you discuss before you even set the wedding date.