Answer:
It is a popular afterlife destination where you want to send people when you're mad at them.
As strong as love, more dangerous than cancer.
What must you give before you can keep it?
If you are unsure how to use one then just ask a flight attendant.
What is always on its way but never arrives?
Written on with words of white, Has the color of the night, Is the teacher's best delight, And a student's daily fright