
Attachment is defined as an emotional bond with another person. Attachment theory was conceptualized in developmental psychology as the link between attachment and personal development.

A panic attack is defined as a sudden feeling of acute and disabling anxiety. These attacks affect around 2.4 million US adults each year.

There are four different types of introverts: social, thinking, anxious and restrained. Every introvert has varying degrees of these traits.

Guilt presents itself when we act in a manner that clashes with what our values are. It can be caused by something as simple as telling a lie, to something as serious as committing fraud.