What can you do when your girlfriend and you broke up 3 days ago and she has a new boyfriend and says she loves you only as a friend?

Love can seem so cruel to all of us at times. Sometimes things just don't work out between two people. It doesn't mean you did anything wrong or that she did; it's about chemistry. You sound fairly young and I have no doubt this is your first girlfriend nor will she be your last. Sometimes we fall in and out of love quickly until we meet that special someone. It's time to move on and start dating again. I don't usually find that after you have loved someone staying friends with them usually works out because the person that is left behind in the relationship still loves that person and it's like pouring salt into an open wound. Be kind to her and tell her you appreciate her efforts, but it's time for you to move on. Marcy