Sentence:  “Do you often go looking for mice in other people's rooms?” “I wouldn't say often. Just when the spirit moves me, don't you know?” “I see. Well...” When people say “Well” to you like that, it usually means that they think you are outstaying your welcome and that the time has come to <WSD>call it a day</WSD>. She felt, I could see, that Woosters were not required in her son's sleeping apartment ... 
Meaning of the word marked with <WSD> tags:  To cease the activity for the day. (from 1919)