In Roddy Doyle's 'Love: A Novel,' two old companions, Joe and Davy, reconvene in a Dublin eatery for a night of nostalgia and revelations. As they embark on a pub crawl through the city, they unearth the remnants of their shared history, from their youthful escapades to the diverging paths their lives have taken. Joe harbors a secret about leaving his family for a former mutual desire, Jessica, while Davy conceals his own grief. Interlaced with humor and poignancy, the story delves into the concept of love in its many iterations, and how it shapes and reshapes our lives.