I’m a 24-year-old nonbinary person living in Florida. I have two wonderful girlfriends. One I have been with for four years (we live together). The other I have been with for a year and a half. They’re both brilliant, interesting, and kind. Both relationships have their issues, but they are minor. They know each other but aren’t close. Neither is interested in people besides me right now, although my longer-term girlfriend identifies as poly. They have both said that they see a future with me, but something doesn’t feel right. I’ve been having fantasies about leaving them both. It’s not about wanting to find someone I like better—if I met someone I really liked, I could pursue it. I just feel like neither relationship can progress while both exist. My other friends are getting married. I don’t think I want to stay in this setup indefinitely. Even if my girlfriends...