Answer:
Very helpful if you intend to go gently down a river.
I'm the son of water but when I return to water I die. Who am I?
Sometimes you feel it weigh a ton. Yet it is nothing, but somehow still there. Makes you uncomfortable around anyone, But speak its name and it's gone.
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
What can you hold in your left hand but can never hold in your right hand?
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.