guilt complex

Translations
комплекс вины
He has a guilt complex about past mistakes.
У него комплекс вины из-за прошлых ошибок.
Definitions
A guilt complex is a psychological condition where an individual experiences excessive feelings of guilt or remorse, often over trivial matters or situations that are not their fault. This can lead to self-blame, anxiety, and a distorted sense of responsibility for the feelings and actions of others.