I have never known my husband without his beard, a fact that disturbed me in the early years of our relationship. What was he hiding: a weak chin, a saber scar, a slothful nature, a psychological need for a barrier between himself and the world? But as time passed, I no longer felt the need to ask these questions. I now know my husband, and the beard is part of who he is. This seems to me to relate to the question that the anthropologist Gregory Bateson raised about the old man with the cane: Where does the one end and the other begin? Impossible to say, Bateson concluded, since the two cannot be functionally separated. A beard may seem less functional than a cane, but the choice to grow a beard has a function, though it may not be singular or simply articulated.