Dear Prudence Prudie chats with Lizzie O’Leary, host of What Next: TBD, about a wedding attire request that crosses the line. Photo illustration by Slate. Photo by Getty Images Plus. Each week, exclusively for Slate Plus members , Prudie discusses a new letter with a fellow Slate colleague. Have a question for Prudie? Submit it here . Dear Prudence, One of my older brothers, “Sol,” is engaged to a lovely woman, “Beth,” and I am so, so happy for them! I’ve never seen Sol as happy as he is with Beth. The wedding is in June and I am at the wedding party. It’s a black-tie event, so all the men will be in tuxes and women are expected to be dressed up accordingly. I am non-binary, and when dressing up is required, I will go with menswear. I can’t believe what a drama this has caused. I was assigned female at birth, so when someone meets me, the assumption is that I’m a woman.…