Re: You're an idiot.
I put my single coil burner on the concrete floor outside and I got shocked just by touching the coals with my tongs. Note that I did not even touch the coil, I could have had big problems then.
Best part about it is that I thought it was unrelated health problems so I tried two more times before realizing "oh damnit."
Not much other than things when I was a newbie. Like washing out metal coil hoses and eventually figuring out that I was inhaling rust particles constantly.
Putting hookah tobacco I used back in the bag to soak up some juices and save money (ugh, this was back in 2006 or 2007.)
Thinking that natural coals were bad because I had to take forever to light them.
Leaving a hookah stem in a vase full of water for very long periods of time (with a generic Chinese rig!)
Damn, did my brain not work back then?