Answer:
Lighter than feather and softer than silk, yet the strongest man in the world cannot hold me for more than a few minutes. What am I?
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
People make me, save me, change me, and raise me. What am I?
I always murmur but never talk. Always run but never walk. I have a bed but never sleep, have a mouth but never speak. What am I?
I run smoother than any rhyme I love to fall but cannot climb.
The answer I give is yes, but what I mean is no. What was the question?