Grayling: "Logic as a science is not the science of truth, but of reasoning; in addition to reason, you need facts; getting the latter, and getting them straight, is a matter of care, common sense, discipline, hard work, and scrupulous enquiry.
You must make a decision. All my life I have been searching for evidence which could support this. As living organisms, our existence on the surface of the earth is marked by our birthday, or at least that is how I think of it. If the child has generalized correctly, parents will confirm to the child that he or she is correct.
A simple example of it could be of birthdays. But the wish for happiness is not the only driving factor. Did you have a conversation with your or hear a story from your grandfather?