......
Heinz knew that he had gained the upper hand over his father at that moment.
Because he didn't play his trump card of Lowell's background and he had already seen his father's trump card, he was therefore able to dominate the conversation.
Lawrence couldn't speak anymore.
He lost.
He found his son had indeed made him speechless.
Without telling the truth about Lowell, Heinz would definitely maintain his attitude and he wouldn't treat Lowell well.
Lawrence also found that he was in an awkward position. If he spoke about Lowell's background, Heinz's attitude and rage towards him would make the situation more complicated. At that time, he was afraid that it would be more disadvantageous to Lowell.
Hence, with such concerns, he dared not speak on the boy's identity.
He could only be in a dilemma. He was anxious and sweat dripped from his forehead. He looked at his son and could not say a word for a long time.