Adults lie a lot to kids. Whether it's to keep them in control, or to get them to behave, or to get them to bugger off, it's usually done for their own good... I hope.
At this point you might think what an intelligent little boy I was, to have thought of all these complex reasonings at such a young age. But to tell you the honest truth, I was not that advanced at all. I never got to No. 1 or 2. I cracked my head already at No. 3.