yaar actually still didnt got wat u wanna say...
in all the 4 cases u mentioned, the person involved is sharing it with some or the other he can trust, feeling good sharing with or so..
when i said move the world according to you, i mean to say ke there is no point doubting each n every one and thinking he/she can be turned out wrong or our enemy and so..
i belive therez no one living all alone without sharing their stuffs with others.....guess at last they even share things with the speechless walls
