Jamieson, Fausset and Brown on Genesis 43:18

18. the men were afraid--Their feelings of awe on entering the stately mansion, unaccustomed as they were to houses at all, their anxiety at the reasons of their being taken there, their solicitude about the restored money, their honest simplicity in communicating their distress to the steward and his assurances of having received their money in "full weight," the offering of their fruit present, which would, as usual, be done with some parade, and the Oriental salutations that passed between their host and them--are all described in a graphic and animated manner.