9/10 I totally know the feeling, though sometimes its just an asthma attack.
Never forget who you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you.
He began to wonder why he had felt uneasy at all. It was like a man wondering in broad daylight why a dream had appeared so terrible to him at night. — Chinua Achebe, Things Fall Apart