Always Shock Your Muscles

Always try to "trick" your muscles into growth. You never want to do the same exercises, reps and sets for each and every workout. You always want to shock your muscles into growing and adapting to new stimuli, so make sure to always switch up your training routines, number of sets and reps for each training session.

Also, make sure to train at a high level if intensity and really push each set to positive failure (barely getting the last rep up).You should always focus on increasing the weight lifted.

If your muscles get used to lifting a specific amount of weight, then they will never want to get stronger or grow. Always try to trick your muscles with different reps/sets and keep your intensity levels up high enough so they always are forced to make changes and grow!