Earlier in our discussion of your role in the wedding, we suggested that you doze off when you can, fake it when you can, and only chime in when it really matters.
Your primary role in picking the wedding reception venue will be to stay out of the bride's way...but just in case be prepared to help make a decision.
Yes, you're officially married. Yes, the reception is a party. Yes, you can (and should) have fun. But you can still do many, many things that will destroy your wedding...