Answer:
If you lose me you may cause people around you to lose me too.
Of these things - I have two. One for me - and one for you. And when you ask about the price I simply smile and nod twice.
Though it be cold, I wear no clothes. The frost and snow I never fear. I value neither shoes nor hose and yet I wander far and near. What am I?
I am gentle enough to soothe your skin, light enough to fly in the sky, strong enough to crack rocks. What am I?
The more you work, the more I'll eat.You keep me full, I'll keep you neat. What am I?
When is it bad luck to see a black cat?