About wanting to know what happens when you're not 'all there'... A few months back I needed to know the same, so I started making videos to and for myself. I had never watched video of myself dissociating like that before. (Although of course I've seen my alters on video before, this was different, because it was of me actively dissociating and others coming out).
It was very confronting for me to view, but not necessarily in a 'bad' way. I got to see that these others are real. (There was definitely a disconnect about that beforehand). I go away and these others come out, and they are NOT me. I am not them and they are not me. I got to really see the reality of that.
For me, putting the theory of it all alongside the reality of what I saw on video gave me a better understanding... a greater compassion for what my selves are going through. (I am much better at being compassionate and accepting of others than I am with myself). It also gave me a greater sense of ownership.
When I consider it in terms of ANP and EP, I see that I am an ANP, and the EP stuff doesn't affect me. I *know* of it. It doesn't resonate with me emotionally. On video I can see that some of the EPs hold that emotion with full on intensity. I see it belongs to them and not to me. It's very, very real for them. For me its like it belongs to another human being entirely. But on video I watch *me* become *them* and see that it all belongs to this body right here.
Sorry, I'm aware I have just been rambling, and I'm not really fully aware of what my point was. I'll stop now.