From schoolgirl fantasies to full-blown fan-fiction cosplays, role-playing during sex can be a bedroom game-changer, and it isn't hard to see why. Taking on new identities during sex allows couples to explore dynamics they might not normally experience in their relationship. And it doesn't require a huge commitment; role-playing can be a silly, one-time thing or a constant source of excitement.Not sure where to get started?We suggest you find out what's working for other people and see if anything sparks your own desires.On secret-sharing app Whisper , one user called a particular superhero-themed session the best sex she's ever had. Another described how she and her partner pretend to be total strangers, and how it keeps their relationship fresh.And ideas for role-playing scenarios are seemingly around every corner. Your favorite TV show or even your local costume store might offer some inspiration. Read on for 18 steamy stories, via Whisper, about what it's really like to incorporate role-playing into your sex life.