Complex sentence: In the long term, they may feel insecure, lack trust, exhibit extreme sensitivity (hypervigilant), or develop a mental illness such as psychopathy, avoidant personality disorder or PTSD; they may also desire vengeance, sometimes leading them to torment others in return.
Split into simpler sentences: In the long term, they may feel insecure, lack trust, exhibit extreme sensitivity (hypervigilant), or develop a mental illness such as psychopathy, avoidant personality disorder or PTSD. They may also desire vengeance, sometimes leading them to torment others in return.