Answer:
Long and thin, red within, with a nail at the end.
Poor people have it. Rich people need it. If you eat it you die. What is it?
If you are unsure how to use one then just ask a flight attendant.
I'm the source of all emotion, but I'm caged in a white prison.
What get's more wet while it dries?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?