Last summer I was at a cousin's wedding. His bride and her family had been close with ours since before I was born, and the couple had known each other since they were toddlers, so it was a particularly exciting event for both sides of the family. However, after the ceremony was over and the party had only just started, one of the bridesmaids decided to announce her own engagement. The attention was immediately taken away from the newlyweds and brought to the bridesmaid (who I'll call...