Breaking up is very difficult and hurts a lot. This is why so many songs and movies revolve around breakups. It is universally understood. There is a lot of pain that can take place during the end of a relationship. Many people will lean on a support group of friends or family members to help them cope with the breakup. Some people end up reinventing themselves after a painful breakup.
Regardless, it leaves a lasting impact on everyone involved. No one can truly forget someone that they loved, and the pain that resulted from a breakup can be detrimental in many ways; after all, our hearts will forever be scarred.