1. You realized that you are not in love with them

2. You realized that you were rushing into things

3. You found out that they have been cheating

4. You are in love with someone else

5. You decided to take a job offer that will not be beneficial to your marriage

6. Neither of you want to marry each other anymore

7. Neither can agree where to live

8. If you’re drunk and can’t remember the person or their name

9. If the bride/groom doesn’t show up