Nature has plenty of tricks up her sleeve. The Bosporus is the natural water channel that connects the Black Sea to the Marmara Sea. The surface current flows from North to South, or downhill, at a brisk walking pace, while the more voluminous undercurrent flows the other way, slower but stronger.
There are lots of analogies to be drawn. If you’re not sure who or what to believe, Nature can offer clarification. For example, one day you’re flapping around on a surface that tells you that this is true, but the next you dive deeper and find a more voluminous undercurrent that tells you that is true.
Or even more worryingly, all your life you float along the surface making no effort and think you liked this thing, then for whatever reason one day you focus and take a dive deeper and discover you don’t really like this thing at all, but you like that thing, which is the complete opposite of this thing.
This contrary flow of currents along the same water course explains many things about life, but none more so than the madness that seems to afflict the leaders of the World, who say for example they love lemon curd sandwiches, and then get caught out at home stuffing down peanut butter ones.