Answer:
What weakens Okeke's determination is to discover that he has two grandchildren. This discovery generates a concern for him being so far away from his grandchildren because of his selfishness.
Step-by-step explanation:
"Marriage is a Private Affair" we are introduced to Okeke who is a conservative gentleman who does not agree with the modernity and change of the conservative values that his son lives. For this reason, he turns away from his son and cuts off, almost completely, the contact with him. One fine day he receives a letter from his grandchildren that makes him sad and worried about living away from his grandchildren because of his stubbornness and selfishness.