wedding favor personalized mug, "Favors can be a hit or miss at weddings. Oftentimes, a lot of favors go to waste because guests forget about them at the end of the night, and it becomes a lot of wasted money for the couple," warns Kari Dirsken, CEO and Lead Planner of Feathered Arrow Events." If you're going to consider giving favors to your guests, go with something that will be useful for them or something they can eat."