A spoonful of sugar
Meaning
Something pleasant that makes a difficult task easier.
Usage
Often used when pairing entertainment with instruction.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Mary Poppins song about sweetening medicine to make it tolerable.
The song made the phrase a cheerful shorthand for easing unpleasant work.