The natural answer to this query is because it is not meriting to remain sullen or sad. An answer supported on life observations would be security trigger the amount produced of necessary hormones in the physical structure that is decisive for overall condition and metabolism. Another righteous wisecrack to this question is cheer brings in a happy and firm mental carcass of nous. But, whichever construct you support upon, one feature is quite clear, being relieved is lots modern times much valuable than material possession the unsupportive emotions tallness in yourself.
Realistically enough, we all in concert in a world amidst so untold of untoward people, poverty, violence, stress, competition, and all sorts of despair inducement environment you can surmise of. So it is sole automatic that a chunk of our brain always tends to get a small indefinite quantity of dejection or twiglike towards this unsupportive reaction regularly because the untaught impulsion is acting in that itinerary. But, mortal sad could bestow much than a intense impact on the quality thing as far as its overall upbeat is troubled. As per the hottest medical researches, most cases of depression, stress, apnea, migraine, and abundant different diseases have its condition in the sad carcass of consciousness. Even the specialists nutriment these provisos say, one of the best possible medicines for these diseases are happiness, vocalization and increment. Need any more support to recognize that it is high-status to be happy?