Much of the energy influencing your decision to put off doing certain tasks comes from your natural dominance and your own internal desire to do the things that uplift and energize you, even if you have not known that they did this because: they use your preference, or they match your natural extraversion or introversion, or they do both. (Thriving in Mind. Benziger, I. Katherine, PhD. p 133. TX: KBA Publishing, 2000.)