<human>: Can you condense the text into a few key points?

I had become insanely close to her. Closer than I have with anyone ever. It ended so suddenly, and she started dating someone else almost immediately. A lot of people here say to cut off contact, and I've been trying that, because every time I do talk to her it's fine for a while until my emotions pop out and it ends with me telling her how awful she is for the things that have happened..and well that's not particularly productive or helpful for anyone.

So here is my problem. I know I'll probably feel better eventually, when I'm over her and long moved on, but there has to be something to stop how bad I feel right now. I'll be doing anything and a random thought will pop in my head of her with her boyfriend going to the places we did and doing the things we've done and I'll just start crying like crazy. This has been going on for a week now and hasn't even slightly gotten better. If anything it feels more real with the passing day that they are getting even closer and that kills me. The best I can hope for is to keep my mind off her for any length of time, but inevitably a thought pops into my head that I cant emotionally handle it. Is there anything I can do other than just wait for it to blow over. I think I'm going to die of dehydration if I cry again today.
<bot>: How do I feel better about my breakup and my ex today instead of just hoping to feel better at some point in the distant future.