It's possible you just got lucky. That's the problem with N=1 experiments, and why you should be skeptical of your limited experience. Feynman put it this way:

It's possible you just got lucky. That's the problem with N=1 experiments, and why you should be skeptical of your limited experience. Feynman put it this way: The first principle is that you must not fool yourself—and you are the easiest person to fool.