As gender norms have changed over the decades, the definition of masculinity has evolved, leading to some confusion, unmet expectations, and an unknown future. Today's man can feel comfortable displaying emotion and empathy. Does this shift mean that the role of man is no longer dominant in our society? Is there an inevitable path to irrelevance? The diverging viewpoints in this thought-provoking resource will challenge readers' assumptions about gender roles and ask them to consider how those roles will evolve as the century progresses.