The shortest feedback loop I can think of is doing improvisation in front of an audience.
Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry.
I went to a French immersion school, and French-Canadian improv is a big thing, and we had an improv team at school, and 12 of us would get up and make things up against other elementary schools. I'd always wanted to perform, and that was just another extension of it.
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