In fact, Jacob could tell that Jonas was ill when he entered the door. Jonas suffered from poliomyelitis when he was a child. When he was seriously ill, his hands couldn't bend, but later, they were completely cured by a travelling doctor.
He remembered that when he met Jonas for the first time in Oakdale City, Jacob told him that he was suffering from a hidden disease and the illness would come again in the future. However, Jonas did not take his words seriously. When he drew a line between him and his daughter, and offended his future son-in-law, who had medical skills, the illness came again.
A trace of anger flashed across Jonas' face. Jacob only touched his hand gently. Was he feeling his pulse? He knew that Jacob was dissatisfied with him, but he couldn't do anything about it
