5.

This life
Is no more then a puzzle
You complete once you end
But missing pieces will arise
And not once will it be filled
But the longer you live
The smaller the pieces
Become
Once you step back to see
Those missing piece 
Complete the picture
Within those white space
You will find the very happiness
That once filled them,
But you must remember why
You don't have them
For they are far more useless
Then their first purpose