Hair is more than just something to keep our heads warm in the winter. In nature, the fur or plumage a creature is sporting often sends any number of messages to other birds and animals, from “stay back I’m dangerous!” to “I’m ready for romance.” In humans the same is absolutely true. Ever since the beginning of human civilization, the way people wear their hair has signaled their status, their profession, certainly their gender, and even their emotional state. These days, an accepted part of regular hair care is getting a trim. Generally considered as a maintenance step in between actual haircuts, a trim is just that; either the owner…