Answer:
u always follow me but I am rarely seen
The letter S is added to pluralise most words in the English language. eg. Letter to Letters Word to Words and Language to Languages. But I am a word that is pluralised with the addition of the letter C.
I am mother and father, but never give birth or nurse. I'm rarely still, but I never wander. What am I?
I start new then become old. Start clean but be one dirty. I usually start big then become little.
I am easy to waste and unstoppable
Give it food and it will live, give it water and it will die.