There are various emotional stages of a relationship breakup which is different from person to person. Here are few stages that are experienced after a relationship breakup. 1. The first emotion which is faced by a person will be denial of events after a relationship ends with someone. 2. When the relationship ends it can be really shocking for both the people involved which is the second stage of emotions. 3. Another stage is people getting angry at their ex-partner and themselves for letting it happen. The pain of breakup will stay within themselves for sometimes. 4. Most of the people will suffer from grief over the termination of a relationship. It can also bring fear of being alone again and thought of having to start all over again.