Crossword puzzle clue "lets use for now"

1950s-'60s hit with the lyric "Ah, you made me love you / Now, now, now, now your man is come"

Lets use for now

Last under use or erode under use

Capital whose chocolate I could really use right now for a science project in my mouth

Kids' game where you use your little eye (mine is too big now, I can't play)

Let use for now

Lay away now; use later

Doesn't use now