What is a one-sentence summary of the following article?
Change can be good. Perhaps the relationship was emotionally taxing and causing you more stress than reward. Recognize the freedom you now have, which brings about new opportunities.  Feel the relief of not having to worry about the other person or be concerned with the drama they brought into your life. Spend time outside of work developing healthy relationships with friends, and others who could become romantic interests. Keep things “light and airy”, which means: stay away from deep thoughts, discussions, troubles or complaints. Portray a sense of calm and optimism that can't be pulled down by the negativity or awkwardness of the situation.  Focusing on the positive will guard against being pulled into negative discussions.  No one can take your power away from you if you remain positive. Reacting to an agitating remark will give your power to the other person. You are in control and responsible for your feelings. It is an important job. Be accepting of yourself. If you are feeling guilty or remorseful about having a relationship with someone in the work place, at school or with your roommate, you will need to forgive yourself. It doesn't mean that you forgive and “forget” what you did, and then do it again. Forgive with the intent of learning from your mistakes and stopping any attempts to self-sabotage yourself in the future. Actors get paid to pretend. You may not be an actor, but there might be a time when you need to pretend that you are doing fine when you really aren't. It is a way of protecting yourself from further hurt. Get yourself through an awkward interaction in any way that you can.  Discuss it later with a trusted friend or family member, which will allow you to process the feelings that were stirred up. Venting your feelings is a legitimate way of processing feelings and will probably make you feel better. Many people are not comfortable with silence. They feel compelled to put words into the air as if they will ease the tension in the situation. Develop a level of comfort with silence. When you don't know what to say in a situation, say nothing. Choose to be comfortable with silence, and you won't feel as awkward in situations that come up.  Silence isn't being rude. Remember, a lot of people are uncomfortable with silence so they may say things or ask you things. Answer them in a manner that you see fit.

Summary:
Make the most of the situation. Stay positive if you come in contact. Avoid being judgemental. Fake it 'til you make it. Use silence to your benefit.