... You take regular contributors advice at face value for other kit as well as Festools. (Cough Sonos)
... You can recite the differences between the five top Festool sanders and the relative merits of each without thinking. (RO90, RO150, ETS125, ETS150/3, DTS)
... You know that the CMS-OF unit in NA comes with the OF2200 rings and why you aren't allowed to use it in NA.
... You've purchased at least two Festools due to either Paul-Marcel's or Peter Parfitts videos. (Since they are available on facetube this could be debatable, I guess.)
... You have pimped you MFT/3 to full table saw / high precision router station with an Incra LS Supersystem & a Precision plate based on war storied told here.
...You have a strong need to paint all tool storage units sweet pea green.
...You know instantly what people are talking about when words like 'holy', 'holey' or 'holyrail' are used.