How do I make my sig show every post?

[One on One]

Without having to check the box that is...I always forget. I couldn't find anything in options to always display my sig.

 

[Microphone Fiend]

It's not that good anways lol, j/k

You remember this time didn't you?
Anyways I wanna know how to do this too

 

[SamePendo]

I was to post the same thing
(remembering to check the box)

When sending PM it is activated by its own, or maybe its my imagination...

 

[SoSuave.com]

You can't. You have to check it.