Answer:
What can you lose that will cause other people to lose theirs too?
I am easy to waste and unstoppable
I have a head, tail, but no arms and legs. What am I?
I am in the past, never in the future. I don't exist, but have existed. I saw what you saw, and this is what I will ever see. What am I?
What is full of holes but still holds water?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.