Shower curtains? Bucky tips his head, still not sure what 'aperture' is exactly, and also trying to join the dots between those three things. It's starting to sound like some kind of smart home feature where people can... maybe portal out of their showers and have some machine autonomously draw their shower curtains...?

He has no interest in talking about his time spent with Doctor Norman - or anyone else's time, really. So he goes back to what he'd written before and underlines:

dont do anything stupid