Definition of NOTHING"

Time doesn't wait 4 u or me, Days
pass&years change, U miss ur
loved ones, U move away 4m ur
close ones, Ur life changes, Friends
change, People change bt ur heart
has those precious moments
engraved in it whether u want it or
not. They are always there, making
u happy@sad times&sad@happy
times. U think abt those happy days
then smile&when somebody asks
the reason for ur smile, U just
say....
"Nothing"