>>108981836 grams isn't all that much for cubes, especially compared to smoking DMT. Why I liked to do was take a hit or too and just experience the threshold activity without breaking through first, in order to familiarize myself
I get the thing w/ the alphabet too except for me it looks like alien language with characters that are a mix of Arabic and Sanskrit or the language from the Predator's arm band bomb thing when he tries to blow Arnie up. They sorta fly/float above like swarms of flies/bees
It's scarier when you haven't experienced ego death before, which it seems like you did in your experience. I'm not sure if you experienced the full extent of a proper breakthrough dose if you were able to go lie down on your bed though.
RE the voices, yeah they always tell me stuff like that but not always in English. Sometimes it's a kinda muffled alien sound like a foreign or mythical language but it almost always has a very mischievous (but not malevolent) character. Sometimes the voice is rhythmic kinda like Tommy hall's jug effect in 13th floor elevators songs. With ayahuasca using psychotria viridia and banisteriopsis caapi, it was a female one rather than male