About to talk to my therapist tomorrow about if I have DID or not, anything I should consider?

Just the title.

Context: I’ve been trying to figure out what’s going on inside my head and thinking that I might have PDID (partial dissociative identity disorder). Don’t quite remember how I got to that conclusion other than pintrest posts (I think it was this one specifically: https://pin.it/7oSSMTppc) and this one wiki on it: https://pluralpedia.org/w/Partial\_Dissociative\_Identity\_Disorder

But I’m still unsure(might be denial) if it’s even DID or just an internal counsel or whatever it would be called which is why I want to talk to my therapist about it.

But my main reason for asking on this subreddit is if I might need to get some information on myself to help work it out (because most times when I discuss deep things with my therapist my train of thought shuts down so I go to the session with notes)

Please help in any way possible.

That is all, thanks :)