Cryptograms

My greatest fear, I fantasized: The days were long, the weeks flew by Before I knew I was awake My days were through, it was too late My greatest fear, I organized Into something more realized And now what's left I get to spend Knowing that it's about to end My greatest fear I can't decode A cryptogram whose seeds weren't sewn My last few months I irised out My vision blurred There was no sound There was no sound