For over a century, psychologists such as Sigmund Freud and Carl Rogers focused people’s attention on the past. And so when Mary struggles to maintain romantic relationships, she blames her past boyfriends for it. When Chris battles with addiction, he digs into his memories from childhood when he first felt humiliated. And when Saoirse doesn’t want to settle down, she attributes her free-spirited nature to being the youngest child in her family.