Being from the future helps, I think. Once Earth began interacting regularly with societies from other planets, many of the differences between humans must have seemed insignificant.

[Not that Starfleet wouldn't raise a few eyebrows if a human male began wearing female uniforms.]

Interesting. People don't react to me the same way. Overall, I'm finding that I'm considerably more comfortable in the body I was born with.

[He chooses not to tell Isaak that he's also very afraid of menstruation. That particular part of being female seems to cause Lucy and Uhura a considerable amount of discomfort and pain.]