Authentic Biochemistry

For Valentine's Day Eve. A bouquet assortment of  biochemical  thermodynamic principles and  metaphysical event ontologies. To finish my thoughts:  Is life necessary? How to answer this question? One way is to ask if there is sufficient reason for its existence. Outside of spiritual or theological discussion, the answer is compellingly obscure especially since we find no authentic examples except on our planet.  If life is contingent, where does it come from, how does it come about and why does it exist? You see where this is going. Why is there a physical universe? Why isn’t there just nothingness? Answering with the typical “it just is!” only further confounds the question. The word “just” here, operates syntactically with contingency. By that I mean,  proposing that the modality of an event, life in this context, simply "is" a state function, makes no claim that the event "must be". And so…we are back to the beginning. A beginning that has no source. The Big Bang could be such