If you think about it, we have always been here, the chemicals that constitute our existence have always been present, the chemicals within us are changing every moment. So what big change happened that
1)We became living (as in conscious)
2) We will become dead (loose consciousness)

>>33318566 (OP)
Nobody knows and I don't care

>>33318566 (OP)
The current best guess involves lightning hitting a pool of amino acids

Google panpsychism. The reality is that consciousness is not a hard-line discrete now it's here now it's not boundary. It's a fundamental property of the universe and just didn't concentrate in very large proportions for most of time.

>>33318566 (OP)
that big bundle of neurons in your head makes consciousness possible, and once it breaks consciousness is lost

>>33318566 (OP)
the chemicals in the atomic bombs have always been here but that doesn't mean that the atomic bomb has been here all this time
we're factories processing chemicals to work, so it's more pertinent to analyze the series of factories we are than the chemicals they use as materials and fuel to function.

>>33318566 (OP)
That’s true but it’s not very interesting