It’s About Priorities
It’s completely okay to have different priorities when you’re in a relationship but certain things are not rocket science. For example, choosing an open bar over inviting your fiancee’s family to the wedding is a definite deal-breaker. Instances like this make you introspect and analyze other aspects of your relationship.
It was only when the OP did this that she realized that everything wasn’t as rosy as she had initially thought – her fiance preferred playing video games to having date night, tried to throw money at problems to make them go away, and was generally just a sucky human being. She definitely didn’t need any more reasons to call the whole thing off…