a spoonful of sugar helps the medicine go down

/ə ˈspuːnfəl əv ˈʃʊɡə(ɹ)ˌhɛlps ðə ˈmɛdɪsɪn ɡoʊ ˌdaʊn/proverb
Graduate
1

An otherwise unpleasant situation can be pleasant when a pleasant aspect is deliberately introduced.