and yet , despite the shameful dissipation of his active powers , yonfis heightened senses could pick up every critical muscle twitch , every mouthed word of disapproval and every breath that betrayed a loss of faith in him , and it was as if with each of these letdowns he became the small insignificant child hed thought belonged in the past , before royen came along and then to this feeling of infantile anger and powerlessness was added the mortification of a squirt of urine in his pants , as though his body had already reverted to that age .