How do Biff and Happy talk about the past in the first scene of the Death of a Salesman?

Hello there! It is a pleasure to meet you. I was wondering whether you could help me form a detailed analysis of how do Biff and Happy talk about the past in the first scene of the Death of a Salesman. It would be really helpful if you could bullet point extensive ideas about certain quotations which I could later develop even further by myself. I would prefer for this task to be completed online. (This is the link to the relevant passage of the play; the scene that is relevant is when Biff and Happy first appear to be talking. https://genius.com/Arthur-miller-death-of-a-salesman-act-1-annotated)