We all are living in that environment which have many reasons for sadness. the most important reason of feeling unhappy or sad is our desires. when our desires is not fulfill we feel literally alone and jealous to others.
now a days, students are going towards the path of depression because their demands or desires are not completed by anyone. this is a major problem of world because students are the future. if future is in dark then what we should do in future. whenever I see those students I feel very bad. so please think about our desires and control them. otherwise they destroy us.