I don't think anyone assumes that. Our brain is very good at forgetting things deemed unimportant. Your question is already applicable now. Ask me what I just r

I don't think anyone assumes that. Our brain is very good at forgetting things deemed unimportant. Your question is already applicable now. Ask me what I just read and I can give you a clear answer. Ask me the same question in 4 weeks and I most likely couldn't give you an answer. Am I the same person? Most people would say yes.