It’s funny how obvious something is once you figure it out.
Networking issues are like that for me. A blur of numbers and meaningless data points confuse and bewilder me until I can make a connection. And then, it’s obvious!
Or, how for years you can work on subwoofer setup and come up with all sorts of tricks and methodology to get it properly placed so it works within a room. And then, you hear a direct field subwoofer setup that obviates the room problems. You slap yourself on the forehead and say “Dang! That’s so obvious!”
It isn’t always obvious how something becomes clear until you discover the answer to the riddle.
Then, it’s obvious!