'You can't cry over spilled milk! '
my mother always said.
'Life's not a piece of cake! '
she hammered in my head.
'That's the way it goes,
' that's the way the cookie crumbles'
My mother saved her idioms
for all my idiotic troubles.
John Randal
http://www.poemhunter.com/poem/idioms-for-idiots/