KLEIN (1935. 1946. 1952) added an extremely useful conceptualization to the literature when she began to describe a primitive type of splitting in which aspects of reality could disappear. This is an important concept for us to have in mind in the moment that we are sitting with a patient and something that seemed as though it was known between us suddenly disappears quite completely from view. At these moments, we need to be able to find a way to get our bearings, so that we can know what is unknowable for the patient in a way that does not assault them but rather carries the meaning until such time as they might be able to reencounter it.