Analyze this quote, part 1.

Many angles in on this one. Here's another:

There's things we're able to say with passion when we're burning with youth. However, with time, and when the adult voice takes over, we lose the 'fresh' perspective that we once had on life. Everything we see and say from now on is tarnished in some way. Therefore, we look back with a sense of sadness.

i think its about him not being able to do the things he used to beable to do and feel the things he used to be able to feel