Tony Gentilcore's newest article on T-nation.com (Testosterone Nation) discusses the importance of adding fillers to your training. You can check out the article here. You should also check out the extremely good looking guy demonstrating improper form on the bench press in the first video(yes it was on purpose). Are you making the same mistake in your training? Check out the article and add some fillers to your routine next time you are at the gym. Stop wasting that resting time in between sets. Make the most of your time in the gym.