Most champions are built by punch the clock workouts rather than extraordinary efforts.
Squats don't hurt your knees; what you are doing hurts your knees.
Look at your goals. Look at your behavior. Does your behavior match your goals?
Most new trainers agonize over the perfect workout, over-train virtually everyone and are the crazy purist idiots who embarrass themselves at restaurants trying to impress everyone with how clean they eat.
The 9th grade was the best three years of my life. I was benching 85 lbs, drug free!
Please understand nearly every concept I hold near and dear has been stolen from others much brighter and better than me.