It starts wid a hi/hello. It increases as 'wats up dese days'. It grows 2 'oye btana nae hota.' It tends 2 mould as 'stupid tu apna dimaag mat chala, jaisa i m saying waisa kar' And den it ends NEVER. Dats frendshp.
People never know how special someone is until they leave, but maybe sometimes its important to leave, so they are given that chance to see how special that someone really is.