Gratitude is the expression of appreciation for what one has. It is a recognition of value independent of monetary worth. Spontaneously generated from within, it is an affirmation of goodness and warmth. This social emotion strengthens relationships, and its roots run deep in evolutionary history—emanating from the survival value of helping others and being helped in return. Studies show that specific areas of the brain are involved in experiencing and expressing gratitude.| Psychology Today
Psychopathy is a condition characterized by the absence of empathy and the blunting of other affective states. Callousness, detachment, and a lack of empathy enable psychopaths to be highly manipulative. Nevertheless, psychopathy is among the most difficult disorders to spot. Psychopaths can appear normal, even charming. Underneath, they lack any semblance of conscience. Their antisocial nature inclines them often (but by no means always) to criminality.| Psychology Today
Anger is one of the basic human emotions, as elemental as happiness, sadness, anxiety, or disgust. These emotions are tied to basic survival and were honed over the course of human history. Anger is related to the “fight, flight, or freeze” response of the sympathetic nervous system; it prepares humans to fight. But fighting doesn't necessarily mean throwing punches. It might motivate communities to combat injustice by changing laws or enforcing new norms.| Psychology Today
From eccentric and introverted to boisterous and bold, the human personality is a complex and colorful thing. Personality refers to a person's distinctive patterns of thinking, feeling, and behaving. It derives from a mix of innate dispositions and inclinations along with environmental factors and experiences. Although personality can change over a lifetime, one's core personality traits tend to remain relatively consistent during adulthood.| Psychology Today
Personality disorders are deeply ingrained, rigid ways of thinking and behaving that result in impaired relationships with others and often cause distress for the individual who experiences them. Many mental health professionals formally recognize 10 disorders that fall into three clusters, although there is known to be much overlap between the categories. Cluster A disorders are characterized by odd or eccentric patterns of thinking, such as extreme social detachment, distrust, or unusual be...| Psychology Today
Each person must decide where they draw the line between preserving their privacy, at least from those with whom they are not intimate, and letting others in. To maintain those lines, they erect boundaries and work to preserve them. Some individuals are more vigilant, and even aggressive, about their firewalls, which can lead to discomfort, if not conflict, with others. But in general, setting healthy boundaries can be a way of preserving one's mental health and well-being.| Psychology Today