Hmm, fun...

13 reasons she was left at the altar:

1. he thinks the world is ending
2. ghost named Bob said not to do it
3. himself from the future came back to the past and said he couldn't marry her
4. his second life caught up to him
5. a psychic said they shouldn't marry
6. she forgot tape the big football game
7. he was selected to be on The Bachelor
8. abducted by probing aliens
9. ended up in jail for murder
10. took the wrong calm down pill and slept through the day
11. got caught up in a bank heist
12. entered and alternate universe only to never return
13. fell for a siren on a fishing trip and drowned