I’m tempted to agree with Carl Sagan, who was convinced that marijuana’s morning-after problem is not a question of self-deception so much as a failure to communicate—to put “these insights in a form acceptable to the quite different self that we are when we’re down the next day.” We simply don’t have the words to convey the force of these perceptions to our straight selves, perhaps because they are the kinds of perceptions that precede words. They may well be banal, but that doesn’t mean they aren’t also at the same time profound.