Final answer:
The correct answer is marry.
Step-by-step explanation:
In the passage you provided, the characters mention that people in the town often marry their cousins and are all related in some way. This indicates that there is a practice of cousin marriages in the town.
Cousin marriage refers to the marriage between individuals who share a common ancestor. While cousin marriage is culturally acceptable and legally allowed in some societies, it is prohibited or frowned upon in others. It is important to note that the acceptability and legality of cousin marriage vary across different cultures and jurisdictions.