Good self esteem will make you want to do the project at hand,and will let others want to work with you
What i normally do is To start, stand with your feet hip-width apart, and hold a 5- or 10-pound weight in your left hand. Bend sideways to the left, while squeezing your waist on the left side while looking forward (keeping your neck in a neutral position). Use your right hand to hold up your toothbrush, and then switch after a minute.
To set your intensity level, you need to use your maximum heart rate, which is determined by subtracting age from 220.