Fresh from a breakup? Yes, it is surely painful, but it is not fatal—unless you, yourself, decide you want to end everything already. Remember that you are not the first, not even the last, person on earth who would get his/her heartbroken. However, most of the people who have experienced breakups are able to live a successful and happy life at the moment. That means you can survive this too.
Now, what you need to focus on is handling your heartbreak properly, so that you will not regret anything in the future. What are the things you should NEVER do after a breakup?