I had always instinctively reacted to stories about enmeshed twins with disdain. In my mind they represented the essence of twins' failure to find and celebrate their individuality and separateness. I feel fortunate that my involvement in twin psychology has provided me the opportunity to rethink some of my prior prejudices and snap judgments. Recently I have spoken with a number of twin pairs who made it clear that living together forever with their twin was a decision they made [...]