I need some revenge tips?

About four days ago my girlfriend broke up with me. She said that the distance would be too much for her to handle. I tried to explain and that we could make it work if we both gave it a shot. A few weeks earlier she told me that she would do anything for me and i just can't understand how one can change from opinions so rapidly. We spoke to each other the same, nothing out of the ordinary, then one day her texts would be one word and she stopped calling. The last message i sent her, i poured out my heart to her and she never contacted me back, gave me no answer. Please realize i have a long relationship with this girl. We've been though a lot together, but ive put up with her BS for long enough. i just cant fathom being treated like this and i want to get her back. I want her to feel how i have felt. how should i go about doing this?