‘ So he brought him into his house, and gave the asses fodder, and they washed their feet, and ate and drank.'
With some relief and gratitude they accepted the old man's offer and he led them to his house, where every provision was made for them. Note that the animals' needs were met first as befitted a careful and considerate owner, and an equally careful and considerate host.
“They washed their feet.” This was the second thing they did, for they would be wearing sandals and the roads would be dusty, and their feet sweaty. Then they settled down to eat. Everything was seemingly going well after all, and they no doubt felt greatly relieved.