Here are my answers:
It is the presence - …watching the screen of monitor now, writing, reading words, hearing sounds, hearing birds, feeling some parts of body, thoughts coming up and going away, voice in the head speakin, …noticing what is happening now. All of this cannot be denied.What is real; that which cannot be denied. Simple. Look, right now, in your experience what is it that cannot be argued with or denied?What is real in fact? Everything what is seen, felt, experienced right now even if it is a crazy thought, hallucination? I only want to answer your questions honestly as much as possible.
It manifests in head. It is like an operating center. It seems to be somewhere behind eyes. The other parts of body are felt, but the center of “I” is in head and all feelings from “I” are run down through the body.Where in the body does it ( "I" presence) manifest?
Like a thought that seems it runs everything. Like the very first thought on the screen. Watching, hearing, sensations, feelings… are happening but at the same time there is a voice “I”, “I”, “I”…but not always. In the past it happened many times that I was watching TV for several minutes or hours and suddenly it came up in head “I” am watching. It seemed “I” was forgotten for a while, but later it poped-up again.What does it feel like?
No. Only different feelings are felt in different parts of the body.Does this feeling of me-ness ever move to different parts of the body?
Rationally, it says this: Self does not exist or if it is exists, it is for sure, it has not a crucial impact on the body.What does this tell you about the self?The body does not stop breathing, moving; watching, hearing, sensing… does not go away when I not paying attention. I am 100% sure about that!
I am not sure about that. Could you give a guide how to “explore” or test it, please?What about attention? Do you control or direct attention? Explore this then write.
No change. They will remain the same, only labels (words) were dropped.What happens to the emotions excitement and fear when you drop the labels "excitement" "fear"?
Rg.,
Peter

