All improv turns into anger. All comedy improv basically turns into anger because that's all people know how to do when they're improvising. If you notice shows that are improvising are generally people yelling at each other.
I think anger and laughter are very close to each other when you think about it.
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As the plane got closer to Miami I had this terrible feeling he was dying. Maybe he was telling me that he was going. I felt anger panic despair and helplessness.