It's annoying when people are always cheerful
Harry is waiting in the breakroom at work when his coworker Janice comes in and sits at a table far away sobbing.
Harry wants to converse with Janice to make his break more enjoyable.
Harry walks over to Janice and ask her what is the matter, making sure to listen to her as she vents about what is bothering her.
Harry walks over to Janice with and begins to converse with her about his new puppy in a cheery manner.
Janice will deduce that Harry's attempt at conversation is a genuine expression of empathy, improving his stature in her eyes.
Janice will conclude that Harry does not care about her pain and resent his attempt at conversation.