I already had 1 relative send me a FB message asking can she bring her bf when the card clearly states 1 seat is reserved. When did she get a bf? Then I noticed another relative a few days after I sent my invitations out changed her status to "in a relationship." I have not received her invite yet but I know she got it. I told my mom about this; all of a sudden everyone wants to have a man for the wedding. It would be one thing if they did not know anyone but this family. If I allowed all singles to bring a date than my wedding list would be doubled.
I considered transportation(driver vs bus riders), age, importance, and relationship before I assigned +1. People really think we have money to waste on random folks.