'“It seems difficult here for anything to become permissible without becoming compulsory,” wrote child psychologist Martha Wolfenstein in 1951. She was writing about parenting and how softening attitudes towards playtime soon transformed into a new catalogue of duties and demands. The same could be said for the entire field of gender and sexuality: acceptance of any identity or practice seems to inevitably calcify into another set of norms and expectations, a test of authenticity.' (Introduction)