From time to time, statistical reports pertaining to the happiness index of different cities would emerge, 

and everyone would go and check out 

which grade the city they reside in belongs to, 

though whether the answer is satisfactory, 

none seems to ever dig deep 

into the origin of the results of such happiness index. 

However, 

this might well be a right move, 

as in we need not to be so serious about it, 

fact is, the definition of happiness in everyone’s heart is different, 

and we are talking about some real drastic dissimilarities here, 

say for example, receiving a mouth-watering cup of milk tea 

during the break on a rainy work day