They feel rewarded when they can help others. They are decisive and usually well organized. They meet deadlines, like planning, and prefer to work on only one thing at a time. They want to gather more information before making a decision. They work at many things at once.
P s are flexible and often good in emergencies when plans are disrupted.
Their biggest problem is procrastination. You may find the following books helpful in understanding personality types. Gifts Differing, by Isabel Briggs Myers Introduction to Type , by Isabel Briggs Myers Introduction to Type in College , by John K. Ditiberio and Allen L. Hammer.