The episode title says it all.  Marita and Dan discuss how to include a Bridesman and how Dan approached the situation himself.

The Bridal Shower Shenanigans

"You want me to be a what?"What the heck is a "Bridesman"? What is their role? Can I really do this? One day, Marita asked her best guy friend Dan to be her "Bridesman" in her upcoming wedding. After laughing out loud for a good five minutes, after which he then realized she was serious, Dan obliged even though he had no idea what he got himself into. Thus, the "Bridesman" was born. Join hosts Dan Mazella and Marita MacKinnon as they dive into the world of "The Bridesman!"