when you start transition and find an opposite-polarity trans person in a similar phase in transition, and of similar proportions, you can be one of the chosen few who can experience Diffie-Hellman Key Exchange Over Textile Transport
this absolutely happened to me. the first time I came out to anybody was to someone who immediately then came out to me as a trans guy. we've been friends for almost 10 years. I gave them a couple of my boymoder sweaters