Every human has his own unique motivation for happiness, relaxation and mood betterment- from a cup of tea or coffee to a walk on sea side or shopping in market- while others become happy by helping others from mankind or wildlife.
Helping others – the deprived of society greatly reduces anxiety and vastly increases happiness, self-satisfaction and connection to others thereby reducing the depression and other illnesses caused due to loneliness.
Researchers from around the world suggest that involving oneself in charity works, helping others, solving even small problems of others greatly increases hormones in ones body which counter depression, anxiety and other illnesses.