Gary's Rule of Shirt Pocket Pens

0 pens are OK
1 pen is necessary
2 pens are prudent
3 pens are geeky
4 pens are nerdy
5 pens are Obsessive Compulsive Disorder (OCD)
6 pens are CDO*

*CDO is a variant of OCD
but the letters are in alphabetical order
As They Should Be !!!