What is hidden in 3D image?

I have brown hair and I wear these glasses, and I usually have my hair up in a bun, so the other thing guys have often said to me is, Youre like a sexy librarian. Youre like a sexy librarian type. Youre a sexy librarian. And Im like, Ive always thought of myself as more of a bookish whore. Sort of, you know, less of a nerd, more of a slut.