there are several reasons unhappy lot of dont know how to enjoy their life they always expect more than things what they have now that is the main reason for people are unhappy lot of people dreaming about what they havent. and also some bad feelings cause to the people unhappy
Because they are not satisfied of what they have. They are unhappy because they want something others have but not available for them. There is jealousy and hatred in their hearts that causes them to feel unhappy