No Boundaries. That’s what the bumper sticker on the highway said. Conversely, people often say they need healthy boundaries. What does that mean?   Boundaries are often a place of exchange or transition.   We see this in nature. The richest diversity of life is most often in the transition zones between habitats or biomes.   What about boundaries or transition zones in our lives? They are often disconcerting, but after the fact we see how fertile they were.