"'In The Things We Love,' Dr. Aaron Ahuvia presents astonishing discoveries that prove we are far less 'rational' than we think when it comes to our possessions and hobbies. In fact, we have passionate relationships with the things we love, and these relationships are driven by influences deep within our culture and our biology. Some of our passions are sudden, obsessive, and fleeting; others are devoted and lifelong affairs. Some turn dark: we become...