Now then, if you are going to show steadfast love and faithfulness to my master, tell me; and if not, tell me, that I may turn to the right hand or to the left.
Genesis 24:49 ESV

"Kindly and truly" - Kindness because God does not force us to obey His will. Truth because He has told us His will, so we have no excuse.

Despite Eliezer's superior position in truth, he made only strong hints, no demands until agreement had been reached.