I am a published scientist with a Master's Degree in Biology from NYU. I don't care that your favorite uneducated and unqualified podcaster told you that gender is biological.
SEX is Biology. The concept of gender belongs to social science.
Transphobia makes you look stupid.
@unluckyxen I still like the headcanon that he had just gotten out of recovery and was still in the time where they recommend not starting any relationships. ;-)