The engrossing book “First Comes Love” by Emily Giffin explores the complex relationships between Josie and Meredith Garland sisters. Their connection as children was affectionate but occasionally tense. Josie who is bold and impetuous, aspires to be a mother, while Meredith, quiet and contemplative, wonders about her decisions. As upsetting secrets come to light, they are forced to face their differences and realize that love is the most important ingredient in the recipe for true happiness.