I guess for some it could be both.
For some, the date may symbolize the strength they felt when making that decision & they can think about that date whenever they need more strength to continue with stopping SI.
Previous username: Miss-Ruby
R.I.P my budgie Bubbles 26/01/09...in my <3 forever.
I think its good but for some people it could trigger them to start it again because people might think i have gone X days without cutting. But because they have gone so long they might want to do it again.But thats just my own opinion.