The 4 Stages of Getting Older

While recently trying to locate an old friend who might be on Facebook, I was reminded of the joke I heard while working on the golf course sometime this summer.

What are the 4 stages of getting Older?

1. You forget names
   
   
2. You forget faces
   
   
3. You forget to zip up your fly
   
   
4. You forget to unzip your fly

...growing old sucks
...Jimmy in maintenance figures he must be dead — he does all four

...what stage do you think Jay is at?