Everything changes whether you like it or not

Aaron is begrudgingly helping his father, Ira, run his family bookshop. It’s not going well since the passing of Aaron’s mom. The bookshop is dusty and crumbling, like Ira’s mind. All around them small businesses and people are changing and leaving them and the business behind. Aaron copes by comfort reading the same book about the extinction of dinosaurs. A reference to older businesses?