CK enters as Brian’s ex and detonates the Brian–Trish situation
CK arrives as Brian’s ex-girlfriend and immediately turns the Brian/Trish dynamic into one of the season’s central interpersonal explosions.
-
Brian initially rejects CK; production forces them upstairs
Brian's first reaction to seeing CK arrive is to tell production he hates them for bringing his ex-girlfriend in. Once he calms, they hug, but production forces them to sit together in Bedroom 2 — and pulls Trish and Cole into the same room — to make the situation as awkward as possible.