I wonder how shrinks feel about this song. "What a Diff'rence a Day Made" (lyrics) is all about the quick fix, the chance meeting that makes everything all right. Throw your Prozac away!
My yesterday was blue, dear
Today I'm part of you, dear
My lonely nights are through, dear
Since you said you were mine
It actually is kind of a creepy song. I like to play the Dinah Washington version before going to a party in order to raise unrealistic expectations.