Learning how to get over a break up is by no means an easy process. You may have heard that time heals all wounds; this is particularly true in the case of getting over break up. Without allowing yourself the appropriate time and space in which to heal, you will not be successful in knowing how to get over a break up and move on.
A break up will cause you to feel a wide variety of intense emotions, in particular anger, fear, resentment and sadness. These are all perfectly normal emotions to feel after a break up, so if you find you are experiencing some or even all, rest assured you are normal. Many people have walked this beaten path before.