I agree with this. Based on what you've said, it seems as if your fiance is more interested in the wedding than the marriage, and isn't thinking of this as a partnership. If the goal is to show off, then do that by treating each other kindly in public. You don't need to make a big spectacle of yourselves for people to recognize that you love each other. I've had a few friends downsize their weddings after sending out save-the-date cards. They just called people and explained that finances had changed. Or, if you're buying the house now, why couldn't you have the wedding on the original date, but at your new house, in the back yard? Have simple food, and simple decorations and show off your new house, and celebrate your new beginning in it all at once!