Here's how you win the argument. You say this to your friend: "I think I've figured it out. You're unsure of your own sexuality and you're going through a phase where you want to experiment with men but you're trying to take baby steps. You happen to have a crush on this obviously female character but by pretending she is non-binary, it allows you to experiment with the thought of being gay while still maintaining plausible deniability in your mind that you aren't gay because the character looks so obviously female."

Here's how you win the argument. You say this to your friend: "I think I've figured it out. You're unsure of your own sexuality and you're going through a phase where you want to experiment with men but you're trying to take baby steps. You happen to have a crush on this obviously female character but by pretending she is non-binary, it allows you to experiment with the thought of being gay while still maintaining plausible deniability in your mind that you are gay because the character looks so obviously female."

Here's how you win the argument. You say this to your friend: "I think I've figured it out. You're unsure of your own sexuality and you're going through a phase where you want to experiment with men but you're trying to take baby steps. You happen to have a crush on this obviously female character but by pretending she is non-binary, it allows your to experiment with the thought of being gay while still maintaining plausible deniability in your mind that you are gay because the character looks so obviously female."