India, Sept. 19 -- A random song from 2009 plays in a cab, and suddenly you're 17 again, transported to the past, chest tight, for reasons the song itself barely explains. Nostalgia rarely announces itself gently, as it tends to arrive uninvited and hit far harder than the memory logically deserves, and that intensity only seems to grow as the years pass. In this edition of 'The Psychology of Everyday Life ', HT Lifestyle spoke to Dr Chandni Tugnait, MD, psychotherapist, life alchemist, coach and healer, founder and director of Gateway of Healing.

Dr Chandni highlighted that memories formed during the teenage years and early 20s are encoded with unusual clarity compared to almost any other period of life, largely because this is when you...