Gray Breaks

Feelin' pretty good today 
'Cause I can feel the Flow & 
So rhythmically I sway as I say 
"Though I appreciate the rain 
  I'm glad the sun was able to    
   break through the Gray anyway"     
Then, so sudden, notice as I finish 
The bright sunlight has gone away 
Behind a colossal cumulus cloud 
Making Me wonder just how long 
These sunny blue skies will stay & 
If I can rely on this Flow to remain 
Luckily, not too long into my next song 
The sun comes back - for how long? 
That is knowledge that I lack