Original sentence: That is why he loved her more than us" why would he not simply say something to the effect of, 'well it is mother, surely that is why he loves her more than us' a concept that, being based on the maternal bond, would surely be an easier explanation (if in fact any would even be needed, after all the love between mother and son would certainly need no explanation)
Edited sentence: That is why he loved her more than us" why would he not simply say something to the effect of, 'well it is his mother, surely that is why he loves her more than us' a concept that, being based on the maternal bond, would surely be an easier explanation (if in fact any would even be needed, after all the love between mother and son would certainly need no explanation)