Menaing of Why OR Y

Look at the river and think of fly
Think of flow,when birds move through sky
Think why we are born and why we die
When we are able to differentiate between me and my
If you know whom to say Good Morning and when to say Good Bye
Think if she can do why can't I
When you have answer to above all
You can find success beside by
Because you know the meaning of WHY!!