Are you Pig?
Living I do not exist. Dead I am an inspiration. You always doubt me. But never reject me. I am what is given from old to young. Without me people would not learn mistakes. What am I?
I drift forever with the current and flows to your everyday life. I make living easy but I am good at killing people too. What am I?
When at work, I reduce in size. When I am not, my status lies. Sometimes smells, sometimes not. As you age, more you've bought. What am I?