"My head is stuck in the clouds She begs me to come down Says, "Boy, quit foolin' around", Sounds like a relationship with some understood disagreements.
"We may only have tonight, But till the morning sun, you're mine", Sounds like they are having fun before they break up, trying to live up a memory they will never forget.
"And long after I've gone, You'll still be humming along, And I will keep you in my mind", Suggests that it was her idea to break up and he didn't want to but made the most out of it. Though he will always be thinking about her, while she just continues her life.
"My head is stuck in the clouds She begs me to come down Says, "Boy, quit foolin' around", Sounds like a relationship with some understood disagreements. "We may only have tonight, But till the morning sun, you're mine", Sounds like they are having fun before they break up, trying to live up a memory they will never forget. "And long after I've gone, You'll still be humming along, And I will keep you in my mind", Suggests that it was her idea to break up and he didn't want to but made the most out of it. Though he will always be thinking about her, while she just continues her life.
Sad to me in the happiest most understood way.