I suppose that this question has plagued humankind since, well, shortly after the beginning of humankind. The chances are this question will not be solved here, but I’m sure everyone has some idea what it might be.
Personally, I believe that the “M of L” is to keep one’s “oral palette” and a constant moisture level. When my mouth gets too dry I have an irresistable urge to drink a liquid. (And vis versa.) Is it just me, or does the human mouth seem to control the person sometimes? Maybe I’m wrong.
(Or, possibly the meaning of life is to keep the human species pondering the “M of L” itself. Just a thought.)
“He love people, all of them, washed and unwashed; he loves his wretched pack of sponging relatives. He shoots people, arrests people, but he doesn’t like it.”
We learned in biology that the 4 driving forces in life are life itself, sex, thirst, and hunger in that order. If two different stations are offered, the one higher on the list is taken first. Only if one of the lower ones become life-threatening does it move up on the list.
Wrong thinking is punished, right thinking is just as swiftly rewarded. You’ll find it an effective combination.