@Felix Yes it was this PCE where it seems afterwards I took a different turn - Drawing the line between feeling and fact - #78 by Kub933
It was a pretty long one for my standards and also I had this very interesting experience where during it I started contemplating what it would be like if ‘I’ never came back. When coming out of it I specifically focused on leaving that golden clew.
I wrote a bit more about the never coming back part of the PCE here - An observation from a PCE