there is a cease fire to to the endless war of the questions "what was before ? and before ? " that is because even if you accept "origin of life" as concept and expand it with other words , after that you will start to invent other terminologies as "origin of nothing" "the endles homogenian spacetime" and so on and you will try to seek for answers what created what and what was before of that . so the ceasefire answer to all of your questions is "to accept something itwas it is and it will be forever "