Males must keep mustaches.It makes us different from females. It makes you feel and act like manly ,gracious ,a person of high morale values and principles.If you do not keep mustaches -you are devalued in the society,people shall not believe on you very much.Rickshaw 
pullers,Taxi drivers shall demand much more money from you,as they shall become fearless of you. You feel always less confident about yourselves if you do not have mustaches.It makes you to feel different.This is the beauty of males and men must honor it.The people who do not keep it, suffers from girlish look and always appears to be like a cheap person as well as keep on fighting to prove their maleness.It is a gift of God to males ,so they must give proper respect to it.I think if males do not keep it ,they may suffer from various types mental disorders/diseases regarding.....................