code: public Relationship interactsWith(Person destination, String description, String technology) {
          return interactsWith(destination, description, technology, InteractionStyle.Synchronous);
      }
docs: Adds an interaction between this person and another.
  
  @param destination       the Person being interacted with
  @param description       a description of the interaction
  @param technology        the technology of the interaction (e.g. Telephone)
  @return                  the resulting Relatioship