When Tasty Treat is gravid she goes crazy and tries to get to Dargon's cage. she knows he is there, but when she isn't gravid she could care less about him.
when he is out he knows where she is and will go be a creeper. he will stare at her from behind something, won't head bob or anything, just stare.
there are on opposite sides of the apartment. he's in the living room and she is in the dining room.