For a very long time I felt that everyone must feel as I did. Assuming cis women do exist, yes I have been jealous. Particularly on issues like childbearing, and going through a non-dysphoric puberty. Or at least one that was less distressing than mine? I do try to take comfort that my experience may give me some advantages. For instance, even before I had come out more clearly, I would frequently get comments from actresses at script readings about how my female characters sounded far more like real women than most of the women in scripts they read. (Playwrights and screenwriters have typically been mostly male for a very long time).