You're missing my point holmes. I never said anything about not using them frequently. I'm just saying that rather than constantly doing bench, squat, and deadlift, try also doing DB bench or incline bench, front squat or overhead squat, DB stiff-legged deadlift or power cleans. These exercises train the same muscles, but do it a little differently. If you alternate between bench and DB bench each workout both will improve. You don't have to do bench every time to get good at bench. Now maybe if you train a muscle once a week then it wouldn't work so well do to the long time difference, but if you train a muscle every 3-4 days or more frequnetly then that then your body will respond even better to the small variations in exercises than dogmatically sticking to the same exact exercises over and over.