All right, I'll ask. Being a jerk via PM?

[Gary_Robson]

@Shot_From_Guns

IIRC, there’s even a rule that you can only display your signature once per page (maybe even only once per thread).

We don’t have any “per page” rules, because the definition of a “page” varies from user to user (you can set the number of posts per page in your User CP).

The actual signature rules are in the FAQ here. Regarding frequency, it says:

@C_K_Dexter_Haven

How many times should I include my signature in a thread?
Once per thread should be sufficient for people to admire the pearl of wisdom included in your signature. If you post multiple times in a thread it is recommended that you only include the signature in one of your posts.