You know you are old when .. ..

[Stake fodder]

You regret past mistakes.
You no longer stay out all night.

Instead you stay awake all night, regretting past mistakes!

 

[Kendar]

You remember when things were cheaper

And/or bigger. Half gallon no longer exists in most cases. It's now 59 oz.

 

[ILLYRIAN]

You know you are getting older when you need to keep going over the Fan Fic you are writing and not be confused about who is who and who did what when and where.

 

[DeepBlueJoy]

You know you are getting older when you need to keep going over the Fan Fic you are writing and not be confused about who is who and who did what when and where.

Sadly i relate only too well

 

[NotASlayer]

When you can't remember how old you are and have to sit and work it out.

 

[DeepBlueJoy]

When you can't remember how old you are and have to sit and work it out.

THIS! Mostly i cant remember how old my spouse is