Answer:
I'm simple for a few people, but hard for them to hear. I live inside of secrets and bring people's worst fears. What am I?
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
What can travel around the world while staying in a corner?
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
I run up and down the stairs without moving. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.