I have a few:
"I don't care what consequence it brings,
I have been a fool for lesser things"
Billy Joel talking about love in his song The Longest Time.
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"Life is so brief and time is a thief when you're undecided"
Rod Stewart's Young Hearts
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and, last but not least,
"Once upon a time I was falling in love, now I'm only falling apart"
Bonnie Tyler, Total Eclipse of the Heart