You are here to ask questions. If the question you've asked was supposed to have been, "What is the meaning of our existence?" then you're looking for more of an existential response -- there is no reason why, there is no meaning. Meaning itself is a set of rules we create. Since we define what meaning is, we must also define what satisfies meaningful. That you're seeking the answer to a question that you alone can define a satisfactory answer to seems nonsensical to me.