ויישם [וַיּוּשַׂ֤ם] לְפָנָיו֙ לֶאֱכֹ֔ל וַיֹּ֙אמֶר֙ לֹ֣א אֹכַ֔ל עַ֥ד אִם־דִּבַּ֖רְתִּי דְּבָרָ֑י וַיֹּ֖אמֶר דַּבֵּֽר׃
And there was set food before him to eat; but he said: ‘I will not eat, until I have told mine errand.’ And he said: ‘Speak on.’
Read kabbalistic (mystical) interpretation of Genesis 24:33: and classical mystical sources.