Bedroom Costumes: Being Your Lover's Dream By: Vlad Vovin | - For many people, the use of bedroom costumes is a very important part of their sex lives. They use them to keep things fresh and exciting. Sometimes, the same old thing can just get to repetitive. Costumes allow the use of role playing. They let your imagination run wild and help prevent boredom. They can help to keep spice in a relationship.