Second, fear focuses attention.
“The body’s reaction to fear and excitement is the same…so it becomes a mental decision: am I afraid or am I excited?”
In the 1820s, a man named Josiah Holbrook developed the idea of a lecture series called Lyceum, named after the Greek theater where Aristotle lectured his students (for free).
A hostile crowd gives you more energy to work with than an indifferent one.