A collaborative plan for graded exposure to social situations is useful. You can practice imagined graded exposure using distancing techniques (such as imaging the scene on TV and visualizing yourself in the feared scene. You can use the imagined remote to turn down the anxiety or freeze the scene while you take some deep breaths).

distancing exercise provides practice in assuming the detached perspective that one needs to revise effectively. A much simpler distancing assignment, ...
www.californiawritingproject.org/Anniversary/documents/4-PC...

As for Grenzwahrung I understand this to mean literally the 'management of set boundaries' NOT compartmentalizing.

ntruding upon nor distancing from the client. It is the professional's responsibility to manage both sets of boundaries. COLLEGE OF DIETITIANS OF ONTARIO ...
www.cdo.on.ca/.../How should RDs manage professional bounde...