Sometimes there are a lot of years between please and yes.
"'[Y]our prayer has been heard, and your wife Elizabeth will bear you a son. . . .’ And Zacharias said to the angel . . , ‘I am an old man. . . .’” Luke 1:13, 18
“No prayer is lost. . . . There is no such thing as prayer unanswered or unnoticed by God. . . .” Horatius Bonar