Answer:
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
You heard me before, yet you hear me again, then I die. Until you call me again.
What tree that definitely grows does not have a shadow and does not grow fruit?
Who is that with a neck and no head, two arms and no hands? What is it?
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
What never gets any wetter no matter how hard it rains?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?