The disciples return from buying meat...and MARVEL that he is talking to a SAMARITAN WOMEN....it was contrary to the custom of eastern countries to speak to any women in public! Also they might of wondered ....how could a Samaritan....in whom they could expect no spirituality listen to the conversation of their Master? Who never spoke of anything but heavenly things???? Yet none of them said a word to him about it ...they were awed by his majesty and knew that he must of had good reason to step outside of their customs to talk to her!!