Love is not just a bonding between two people but it's also a catalytic process of chemicals in the brain. The relationship which you had been for 2 years will have impact on your processing of thoughts and in turn feelings. So a mild psychiatric intervention of medicine might be needed. There might be a lot of blame game going in mind it might be on self or on others it need to be managed with help of a psychologist.

I understand that it is difficult to find your feet again after a break up in a relationship. One feels lost and adrift. 2 years is a long enough time to develop emotional dependency. Frequently, there is a sense of emptiness and despair. Time is a great healer. You will however need to help it along and do your bit. Sometimes these experiences teach us more valuable lessons which give us the strength to deal with larger issues later in life. You are young now and while this may seem like the end of the world, life does goes on.