"I had long hair when I was a teenager"

This quote by Beck is likely referring to a time in his life when he was a teen and had long hair. It could be interpreted as a reflection on his past, and how he has changed since then. It might also be translated as a pointer of the freedom and carefree attitude that comes with being a teenager. It could be a tip of the innocence of youth, and how quickly it can pass. It might also be analyzed as a tip of the significance of self-expression, and how it can be expressed through physical look. It could be a suggestion of the importance of welcoming one's individuality, and how it can be expressed through hairdo. It might also be translated as a tip of the significance of taking threats and being open to alter.