In a world where change seems to be everywhere, it is reassuring to know there are a few things that are constants. The sun rises in the east and sets in the west. Traffic will be congested when driving in a major city during rush hour. The federal government will issue regulations and some people will be unhappy about these regulations.

While people are also in a constant state of change, something we traditionally understood was that people couldn’t change their race and their gender. You could count on the fact that if someone was born white and male, they would remain white and male for the rest of their lives. We had come to understand that some small part of the population might undergo gender reassignment surgery, but that the person who has undergone such surgery would ultimately be considered either male or female.

Then I started watching the television show “Billions,” which features a character played by Asia Kate Dillon. This character is a you