It seemed that sometimes Umbrum can go ramble what people would usually call useless nonsenses, who cares about time anyway? The meaning of it and so on, Drake simply listened and smacked him once he could not hear due to his voice becoming lower and lower as he was simply expressing his own thoughts, forgetting about the surroundings, closing himself in his own world, letting people observe him like how a warder would watch his prisoner throwing a fit while both of them being in different worlds.