The electronic ding of a new message interrupts the tense silence in the study. Michelle looks at Andrea nervously. Andrea is leaning against the French window as if she owns the place. “Aren’t you going to check that?” Andrea asks. Michelle lowers her head and quickly glances at the screen of her cell phone. The text is only four words long, but it sends a jolt down her spine. She keeps her head lowered, and hopes Andrea can’t see the expression on her face. She takes a deep breath and rereads the four words. Then she deletes the message and looks up. She jumps with shock—Andrea is standing right in front of her. Michelle’s hands shake. She thinks, How the hell did she get over here so quietly? “Shaky hands?” Andrea asks, raising her eyebrows. “Looks like you need magnesium and calci