With incredulous timing, Robin Dunbar’s latest book ‘Friends: Understanding the Power of our Most Important Relationships‘ has been published, when so many of us are experiencing acute loneliness. In the United Kingdom, we are still under the strictest lockdown rules and many of us are shielding too, signifying we cannot leave our properties, at all. We are craving human contact with our friends and families and we worry if they or ourselves will end up being just another sad statistic on the news. Dunbar’s book helps us to understand how physical friendships, whether romantic or platonic activate our endorphin system, nourishing our bodies and our brains.  Without its release, we…