A calabai is a 'false woman', they are generally physically male but take on the role of a heterosexual female.

As of May 2012, Carrera now self-identifies as a heterosexual female.

Ovulating heterosexual females also display preferences toward masculine faces and report greater sexual attraction to males other than their current partner.

Studies have indicated that heterosexual males have stronger negative attitudes towards homosexuality than heterosexual females.

Therefore, these people are generally physically male but take on the role of a heterosexual female.

There are also heterosexual females who have professed to have a smoking fetish though this particular group has not been the subject of any study.