When Lerita Coleman, a 41-year-old single, African-American psychology professor, learns she has only 18 months to live without a heart transplant, anxiety overwhelmed her. The daunting challenge of medical procedures, medications and the unknowns of losing an organ that symbolized her core being haunted her. In desperation, she turned to her diseased heart for guidance about whether to live or die. What emerges are a series of remarkably wise and...