Thank you again.
The analogy that came to my mind during your last response to a question from me was that if a plane doesn't have enough fuel to either return to its original point or get to its destination, it hits a point of no return. I'm really asking if such a thing is imaginable in the situation of starting to work toward a new system in the context of dealing with a reference to establish the constitutional validity of the new model. I am emphasizing this primarily in connection with models that involve adding ridings to provinces, although it could come up in other situations as well. Under such a scenario, is there a point of no return at which you have a problem—you can't simply abort the landing and return to your point of origin, which is, of course, first past the post?