Answer:
Teenage girls are pros at creating me. Learn me in classes.
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 am a key that is playful. What am I?
I tell people to be careful when handling boxes.
The more holes you cover the lower I go.
Those with eyes bigger than their stomach will definitely leave the restaurant with one of them. It is named after a house pet as well.