Having grown up in a conservative society like Colombia, the researchers were exposed (directly or indirectly) to different discourses that can be classified as highly heteronormative, some of which took place in the foreign language classroom. Our interest in investigating these discourses, which later led to an analysis of the students who were also exposed to them, was prompted by Juan, after a French teacher –assuming he was making a morphological mistake– changed the term “boyfriend” for “girlfriend” when Juan was speaking to the class, thus ignoring the sexual diversity of her students. We wanted to go deeper into the situation of teacher-trainees at universities to determine whether this behavior was persistent and what lessons students learn for their future teaching practices. (...)