וַיְהִ֗י אַחֲרֵ֛י אָכְל֥וֹ לֶ֖חֶם וְאַחֲרֵ֣י שְׁתוֹת֑וֹ וַיַּחֲבָשׁ־ל֣וֹ הַחֲמ֔וֹר לַנָּבִ֖יא אֲשֶׁ֥ר הֱשִׁיבֽוֹ׃
And it came to pass, after he had eaten bread, and after he had drunk, that he saddled for him the ass, namely, for the prophet whom he had brought back.
Read midrashic interpretation of I Kings 13:23: and classical rabbinic exegesis.