User talk:Psunds1993

1) Evolution in human sexuality (homosexuality) 2) Error management theory 3) sadomasochism Psunds1993 (talk) 00:00, 3 February 2016 (UTC)

Nmuggleton (talk) 16:20, 4 February 2016 (UTC)With sadomasochism, do make sure it's scientific. Nice list though