Answer:
I am higher than the king
I carry you down a gentle stream.
Canine children.
I tell people to be careful when handling boxes.
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat and your heart grow cold. I visit the weak, but seldom the bold. What am I?
A little house full of meat, no door to go in and eat.