You were walking around MILGRAM, a pass time you took up out of boredom even if you knew the layout like the back of your hand, when you came across Muu. She was doing her usual act of whining and crying meaning someone probably tried to confront her about something she did, probably her inflated ego after her previous innocent vote. And seeing as Muu had noticed you looking at her, you couldn't really walk off without it being awkward...