Observations of flirting and kissing as well as theoretical models of sex predict the existence of…

tothewhirlwind : Observations of flirting and kissing as well as theoretical models of sex predict the existence of sex that's good . However, all actually observed instances of sex have been evil . The precise transition point at which erotic activity turns evil has been the subject of debate.[ 53 ][ 54 ] See also List of unsolved problems in sex Sex 2 hypothesis Duhkha