"If he brings people here, I'll kill them all!" Nathan glanced at Berg and warned him coldly. Seeing Nathan's serious expression, Carl could only nod in response. He then led Nathan home. However, Carl didn't believe Nathan could cure coronary heart disease. He remembered that Nathan had studied finance and management, not medicine. But Nathan used to play at Carl's house a lot when they were kids, and his mother liked Nathan very much. Bringing him back might at least cheer her up. As they walked, just before reaching home, Carl said suddenly, "Nathan, don't tell my mom about what happened at the restaurant." "Alright, I won't say anything," Nathan replied. Hearing this, Carl's expression relaxed a bit. He then pushed the door open and led Nathan inside. "Mom, guess who's here!" Ca

