Answer:
The more you take, the more you leave behind. What are they?
The more of me you take, the more I appear behind you. What am I?
Teenage girls are pros at creating me. Learn me in classes.
Though desert men once called me God today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
I have a name that's not mine and no one cares about me in their prime. People cry at my sight and lie by me all day and night.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.