Agreed. Likewise, the feigning surprise one is a common problem in real-world conversations. I am guilty of it too, and have been trying to break the habit for

Agreed. Likewise, the feigning surprise one is a common problem in real-world conversations. I am guilty of it too, and have been trying to break the habit for the past few months. I always feel bad whenever I slip up, so it's nice to see it codified as poor etiquette here.