At first, the OP sounds sane...
http://www.weddingwire.com/wedding-forums/no-shows-at-wedding-be-prepared/4aeabf4baba9fa3e.html
Then it goes downhill...
"our best man and his family never showed up either.
invoice them bitches"
"This is why it's a good idea for brides to undercount if the venue holds them to final numbers. Always ask if they can accommodate 3-5 extras if they show up. If they can, undercount by 3-5 depending on the people."
"Thank God we had a back up best man step right in!"