They may make negative statements and start to blame others if someone criticizes them. Their loneliness may be expressed in anger or resentment, which often results in others pulling away.

Does loneliness cause aggression?

Loneliness changes the chemicals produced in the brain, causing feelings of aggression and fear, scientists have discovered. The new study has potential implications for understanding how chronic stress affects humans and has potential applications for treating mental health disorders.

How does loneliness affect behavior?

Loneliness can leave people feeling isolated and disconnected from others. It is a complex state of mind that can be caused by life changes, mental health conditions, poor self-esteem, and personality traits. Loneliness can also have serious health consequences including decreased mental wellness and physical problems.