For what it's worth, I don't have evidence that you are conscious (and I never can; your qualia of the concept of the color red and your other internal world-state representations are solely yours, assuming you are not a P-zombie). For the record, I also do not make magic claims of free will nor assume there are laws outside known physics. If you wish to call in dark matter as a potential agent of causal change, then you can propose your theories backed by evidence and we'll continue as the evidence leads. But as far as my own existence, well, cogito ergo sum and all