He shakes his head. Maybe that's not universal for 'no', he doesn't know. But there's no God-fearing American man who would kick his wife out to the couch while he takes the bed. And Bucky's relationship with God might be on the rocks - hasn't been on anything more than shaky ground for eighty years now - but in some ways he is still traditional enough to be able to pass off as a local around here.

i dont sleep on beds

Which doesn't explain how he got into the bed last night, but then, she doesn't have an explanation for how she got in there either.

back door boobytrapped
and basement door
dont open
leftover mac cheese if you hungry

He'll convert those boobytraps to a trip wire at some point later today so she won't accidentally get herself killed. And they'll figure this... domestic situation out.