I think it's referring to freeing one's self of the constraints holding them back and to Instead live life to fullest cause as the song says "life's too short to have regrets" meaning one should not be afraid to try new things because it will only bring them more knowledge for what's to come.
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Answer:
I think it's referring to freeing one's self of the constraints holding them back and to Instead live life to fullest cause as the song says "life's too short to have regrets" meaning one should not be afraid to try new things because it will only bring them more knowledge for what's to come.