You know your a cper, when you spend an hour on terraforums when you know no one is on to make/reply to topics.(true, but sad....)
You know you are a cper, when you spend all your spare time and cash on... well you know.
You know you are a cper when it doesn't take you but about a week to go through a bag of perlite, peat, lfs, and vermiculite(all at once).
You know you are true cper when you become a member of the ICPS, and terraforums at once.(true for most of us)
You know when you are a true cper when you don't even call cps by their name but by your own abreviations(true)