Like a lot of his lyrics it's a two sided reflection - he's agreeing with society's conventional wisdom that too much is no good, but then he kind of smiles to himself and says "some things I did were good and I'm not sorry."
Growing up is about separating the identity from the experiments. Don't turn your back on formative experiences, but keep an eye out for long term consequences.
Like a lot of his lyrics it's a two sided reflection - he's agreeing with society's conventional wisdom that too much is no good, but then he kind of smiles to himself and says "some things I did were good and I'm not sorry."
Growing up is about separating the identity from the experiments. Don't turn your back on formative experiences, but keep an eye out for long term consequences.