[ She ignores it. Or rather, she's making an awful lot of noise as it is. Observe:
Knocking on the wall: thud thud thud. Kicking at the wall: THUD THUD THUD.
She's even surprised it holds to the latter, and only in that silence does she notice the little bot above them. It is a ludicrous thing. Where she comes from, robots drink coffee and play dead and don't - she reddens - have anything to do with kissing. ]