Answer:
They belong to me; they belong to you; They can make you feel happy or make you feel blue; They never end until the day you do.
You throw me out when you want to use me and you take me in when you don't want to use me. Who am I?
Never alive but practically extinct. How we miss the letters pressing the ribbon of ink. What is it?
There is a creature of God whose body is hard; it does not wish to eat unless you strike its head.
I am a box that holds keys without locks, yet they can unlock your soul.
What is so fragile that saying its name breaks it?