This article should probably be retitled: "How to Get A Feminist to Like You," because that's the basic challenge. She can't date you if she doesn't like you. Knowing if a feminist likes you isn't hard because feminists know what they want and will never settle for anything less.
I still want to go to my junior prom, and I still apply makeup every morning. Women's equality will not come from diminishing femininity; in fact, being feminine might be the most essential way to dismantle patriarchy.