Njengobungqina "bokuzalwa" kokutsaleleka kwabantu abathandana nabobulili obufanayo, abaxhasi be-LGBT* badla ngokukhankanya uphando luka-1991 olwenziwe yingcali ye-neurobiology uSimon LeVay, apho kuthiwa wafumanisa ukuba i-hypothalamus yamadoda "athandana nabantu abathandana nabobulili obufanayo" ilingana neyabasetyhini, nto leyo ebangela ukuba babe ngabantu abathandana nabobulili obufanayo. Yintoni uLeVay awayifumanisayo ngokwenene? ​​Into angazange ayifumane ngokupheleleyo yayilunxibelelwano phakathi kwesakhiwo sobuchopho kunye nokuthanda ngokwesondo.