I made my own hot chocolate once. I flew too close to the sun.
I kept adding chocolate (and cocoa powder) and sugar again and again. I wanted to see how much would be too much. Problem was I was tasting it after each iteration. By the time I realized my own taste perception was getting numbed, I had gone way , way too far. Nobody else could even drink it. Even I could only drink half a cup and I was buzzing.
Moral of the story: cleanse your palate kids. It could save your life.
Here’s the best possible history video on the topic:
https://youtu.be/XminlVhLma4