At the heart of Jesus' call to us is the call to love others. But this can be so difficult. For one thing, others are not always very lovable; for another, loving others sometimes gets in the way of our own self-interests. But if we want to follow Jesus, love needs to be our lifestyle, and the way we treat others really does matter. It's not all sacrifice and pain, though. To be in loving relationship with others is to be truly alive--and it's the...