Zusanli is a strong point and can also be massaged frequently. The Laogong point in the palm of your hand is for enriching blood for the heart, and you should also massage more. Taixi point behind your medial malleolus and Fu You point above are important points for tonifying kidney. There is a good way to read the blog of Chinese Liba and his book called Fitness for Middle-aged and Old People, which is simple and effective.