Love has traditionally been the domain of poets, artists, and philosophers, but in the last 50 years the terrain of relationships has increasingly be… - Tom Butler-Bowdon

Melanie Klein focused on how a “schizoid” personality could develop as the result of an infant’s relations with its mother in the first year of life, although she noted that most people grow out of this and establish healthy relations with themselves and the world.

most of us can literally “choose” to be happy, if we understand the mind’s thought–emotion mechanism.

A more recent development in the cognitive field is “positive psychology,” which has sought to reorient the discipline away from mental problems to the study of what makes people happy, optimistic, and productive.