The silent treatment is one amateur, immature, and selfish way to act in relationships. The act of silent treatment itself reveals a lack of self-awareness and the capacity to regulate emotions. It doesn’t matter if they are narcissists or not silent treatment is part of the range of toxic and harmful attitudes to a relationship.
Remember, bad behavior is unacceptable, and you have the power not only to erase that from your life but also to train yourself to find a healthy partner. Able to have healthy conversations and love you in your moments of glory or weakness.