Another possibility is a form of cutting off the emotion, or a form of disassociation. Did you feel like you were in a dream or that things were unreal somehow? Or were you spaced out? Disassociation is the minds way of defending you against painful situations and emotions. Also cutting off emotion is a defence mechanism against the pain of the emotion. Yes your therapist is best to speak to but it doesn't hurt I don't think to ask others opinions or if they have had similar experiences.

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