en Cuevana 3. Big Boys Don't Cry' follows Joe Marler as he discusses his own struggles and learns new methods of managing mental wellbeing. The England and Harlequins player has opened up about his battles with mental health during his private life and his time playing rugby on the international stage. The documentary follows Marler as he travels around the UK to open up the conversation around mental health challenges and to learn about how people manage with their mental wellbeing - from taking the plunge in cold water swimming and getting involved in singing in a choir along the way.