Meanwhile, Clara was in pursuit after them on horseback."Doc" fed the locomotive chemically-treated Presto logs to burn hotter and longer in the furnace to increase its speed, while Marty sat in the DeLorean.[Note: This foreshadowed a future, oft-quoted confrontation about class order and naming hierarchies...(joking) I don""t want anyone to try and slip me salt-peter.You know what I mean?For his resistance and questioning of the rules, he is accused by those in power of being upset: "Don""t get upset, Mr.Vicki continued to battle against ""Jason"" with the shotgun and with a thick BBQ skewer pole, but the tables were turned on her.He ended his words: "Don""t forget to visit your mother."The next day at Adrian""s grave, Robert told his father that he had quit his job ("I didn""t fit in there") and confessed: "Right now, I""d rather be with you.