If a simpler explanation exists the burden is on the persons supporting the more complicated explanation to show that the simple explanation does not work. (religion.blogs.cnn.com)
Without going into a really complicated explanation of thirst, suffice it to say that your body maintains a certain level of fluids, and your level of thirst is your body's way of telling you it needs more or less fluid. (askthecatdoctor.com)
troubled times ahead in the plot and save yards of complicated explanation about the character's mood. (knockinbooks.com)