Answer:
I make everyone blind. You can't see me but I will always come back for you. What am I?
Teenage girls are pros at creating me. Learn me in classes.
You may enter, but you may not come in. I have space, but no room, I have keys, but open no lock. What am I?
I go up but never come down. What am I?
What has a head and a tail but no body?
The answer I give is yes, but what I mean is no. What was the question?
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic