What Should I Do? I Need Help!!!!!?

During junior year of high school, Michelle and Toni (my two BFFs), and I had a crush on the same guy, Zac, who was a senior. None of us knew him and he was graduating in a month, so I decided I couldn't let the chance go. One day at school, I walked up to him when he was alone and told him me and my two friends had had a crush on him all year. He thought it was cute and asked us if we wanted to hang out with him that weekend. Of course we said yes, and we all saw a movie. When Michelle and Toni had gone to the bathroom, Greg asked me out, saying that we could date in secret until the summer. Turns out, he had told all three of us the same thing, and Michelle andToni got mad at me for confronting him in the first place! I never spoke to Zac, michelle, or Toni again after that incident, and we all went to separate colleges.