Why do we need 2 write

What is a Blog....??? why do every budy write ........ do we get any satisfaction... after writing.... or is dis a hobby... for sum peoples.... wat is dis all about.... i thinnk for me it`s passion..... to interarct n get 2 know more people.... about dere lifestyle... n if its gud den try to implement d same in dere own life...... wats life all about... for me it`s fun... we should enjoy every moment of life.... with happiness..... i can`t say any how any more.......