A complex is not a bad temper; it is an old emotional knot
Sometimes an ordinary sentence suddenly brings defensiveness, shame, anger, or withdrawal. The reaction seems larger than the present moment. A Jungian view would not simply call this sensitivity; it would ask what complex has been touched.
A complex has its own emotional field
A complex is like a charged knot in the psyche. It often forms around important experiences: being ignored, shamed, compared, abandoned, or made responsible too early.
When a similar situation appears again, the complex lets present and past overlap. You may be answering the person in front of you and the atmosphere of an older experience.
Seeing the trigger is not self-blame
Jungian work does not reduce a complex to a flaw. It asks what the reaction protects, and when it first began guarding the door.
Once a complex can be seen, a little choice returns. The feeling may still be strong, but it does not have to take over the whole action.
Start with the repeated sentence
Complexes often return with fixed sentences: they do not value me, I will be left, I must not fail, I have to prove myself.
Writing down the sentence and asking whose voice it resembles can be more useful than trying to suppress the reaction.