Yeah I can get behind this. I've had plenty of "supernatural" experiences myself and I don't know what caused them. I don't have a history of auditory or visual hallucinations and these things would happen very infrequently enough but always happen more in what I called "sessions" like there was SOMETHING that was abnormal going on. There are plenty of things that are incredibly difficult to observe. When you feel a presence there besides you, maybe it is something there that we can't see or interact with but gives off the same feeling as a person would. Maybe it's some weird time and space glitch or alternative universes coming close together or something weird like that shit. Something so scientifically abstract that we just don't know what it is yet.