The second line, strong and solid, resides in the center, presenting the image of the cauldron containing substance. When a cauldron contains substance, bringing it out to the top serves its purpose.
Nine in the Second Place has strong yang talent capable of great utility, corresponds with Six in the Fifth Place, and follows the ruler of Six in the Fifth Place above, thus attaining correctness and enabling its way to prevail.
However, it is closely adjacent to Six at the Beginning, where yin follows yang. Nine in the Second Place resides in the center and responds to the center, not going so far as to lose correctness.
Though it guards itself, the other will surely seek it; hence the warning that being able to keep it at a distance so it cannot approach oneself brings good fortune. 'Chou' means a counterpart; it refers to the yin-yang counterpart, which is the initial line.
Pursuing each other would be improper and harmful to righteousness, which is an affliction. The second line must guard itself with correctness so the other cannot approach it.
When a person can guard themselves with correctness, what is improper cannot approach them; this is why it is auspicious.