2. The Bride's Emotions
Yes, the bride is nervous. Yes, she is anxious. And she knows it! But bringing these emotions up to her on her wedding day will only make it worse. And the only emotions we want to see are happiness and love. So keep it to the positives.
3. Eating the cake before it's been cut.
Yes, I've experienced this one. Don't ask and just don't do it. Remember, we are all adults here.
4. The Binge Drinker
Not only will this be an embarrassment for you, but this can often embarrass the bride and groom. And you don't want that guilt on your shoulders forever. Remember that there are grandparents and children and people of all ages and backgrounds at the wedding...not just your fraternity brothers from college. So treat this event as a classy one and save the over-drinking for another night!
5. Bossing Around the Wedding Staff
You did not hire the wedding vendors or the catering staff so no matter how much you think you know or who you think you are, it is not your job to order around any staff at any wedding you attend. That's what the coordinator is for :)
6. Texting the couple the day of the wedding.
The bride and groom have other things to deal with on their wedding day...like getting married! So PLEASE don't text either of them asking what time or where the wedding is at. In fact, don't text them at all! It will just stress them out more when they need to be relaxing and enjoying every minute of their big day.