For these underdeveloped creatures to survive, special, extended, and therefore highly motivated caregiving behaviors were required. Such an enduring task demanded nothing short of love, perhaps the same emotion that drives soldiers in the heat of battle to rescue fallen comrades, pulling them to safety even at the supreme risk to their own lives. And love, in the final analysis, may be our collective antidote—the salvation for a species with such a penchant for senseless killing and carnage. Love is the glue that holds family, tribes,

