Ego-syntonic
Ego-syntonic means a person feels their behavior is natural and consistent with their self-image, so they don't see it as a problem needing change. Often used for avoidant traits where the person experiences emotional distance as prideful self-sufficiency.

Ego-syntonic describes psychological traits, behaviors, or symptoms that feel harmonious and consistent with an individual's self-concept, so the person does not perceive them as problematic or needing change. Originating in psychoanalytic theory, it contrasts with 'ego-dystonic,' where symptoms cause distress. The term applies broadly to conditions where the individual experiences their behavior as 'just how they are,' often with pride or self-sufficiency.
What this means in real life
A person who values independence might feel their tendency to avoid asking for help is ego-syntonic—it fits their self-image—even if it causes practical problems. By contrast, intrusive thoughts that contradict their values feel ego-dystonic and cause distress.
What it isn’t
It does not mean the behavior is healthy, adaptive, or morally right. A harmful pattern can feel perfectly aligned with someone's identity and still cause real damage to themselves or others.
Commonly misused online
Often used to dismiss criticism of problematic behavior ('it's ego-syntonic so I shouldn't change'), when the term is actually neutral—it only describes whether something feels internally consistent, not whether change is needed.