Sentence:  "That fits, though," she thought. "Wear the same outfit day after day, your brain gets numb to how it looks or feels"—Wendy shut the album. No. ... She hated analyzing the whys of [not-out] trans girls. She had always hated it, and she hated how easy it had become; the bottomless hole of <WSD>egg</WSD> mode. 
Meaning of the word marked with <WSD> tags:  A person who has not yet realized they are transgender, has not yet come out, or is in the early stages of transitioning.