Warning: this episode contains mentions of suicide. If you are suffering distress or despair, details of help and support are available at bbc.co.uk/actionline.
Ruth describes how sex with strangers became a routine of laybys, car parks and fear. Friends describe the years leading up to Ruth joining FabSwingers. Catrin asks how a strong, outspoken woman came to do something she now says she never wanted.
Presenter: Catrin Nye
Writers: Catrin Nye and Jamie Bartlett
Exec Producer: Kavita Puri
Series Producer: Ruth Mayer
Commissioner: Bridget Curnow
Sound Design: Ivor Manley
Title Track: David Wrench
Researchers: Emily Parsons and Liv Facey
Production Management Assistant: Daisy Carol
Production Manager: Mandy Osborne
All the WhatsApp Messages you hear are voiced by actors.