Answer:
I am rarely touched but often held. If you are smart you'll use me well. What am I?
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
I have memories, but none of my own. Whatever's on my inside is what is shown. If I'm ever different, it's because you changed me. I feel like a decoration, here for you to arrange me. What am I?
I am easy to see but no one likes looking at me. Without me there would be no you. I can make you complain or make you happy. But you almost always take me for-granted.
I am shared by goats devils and unicorns.
I tell people to be careful when handling boxes.