Poor form in the gym is caused by insufficient yelling.
I can teach idiots to squat in ten minutes.
Mediocre athletes that tried like hell to get good are the best coaches.
Your muscles cannot get "longer" without some rather radical orthopedic surgery.
An adult male weighs at least 200 pounds
If every day of your life you are told by authority figures that the Earth is flat, you will be scared of falling off the edge whether you want to be or not.