The South Node in the seventh house shows accumulated experience of relationships, marriage, contracts, partner dependence, conflicts, compromises and life through another person. Sources on Ketu in the seventh house mention unusual or unstable marriage, frequent arguments, business travel, love of solitude, attractiveness, ability and reputation in one's field, but also suspicion and family disharmony.
This placement may give strong knowledge of partnership dynamics. The person senses the other, reads expectations, understands contracts, adjusts or argues. They may have experience of marriages, business unions, difficult clients or open opponents. But relationships can become the familiar center of gravity even when they hurt.
