It’s not hard to be a great wedding guest . Look your best, bring a nice gift and a wonderful attitude, and don’t attract too much attention. Keep these rules in mind, and the bride and groom will be glad that they invited you to help celebrate their special day! But unfortunately, one teen couldn’t even manage to follow these simple guidelines while attending her boyfriend’s sister’s wedding . Below, you’ll find the full story that the bride posted on Reddit, detailing why she’s still holding