It's good to realize when you're bothering others.
Bob is talking with a coworker but it seems like they are trying to get work done and that Bob might be annoying them.
Bob wants to decide whether to keep talking to his coworker.
Bob decides it's best to leave the coworker alone to do their work and see if they instigate further conversation.
Bob keeps talking to the coworker figuring that they would tell him to stop if they wanted him to.
Bob's coworker is relieved that Bob realized that he was annoying them and feels that now they can get back to work.
Bob's coworker is very annoyed by Bob, and they don't know why he won't get the hint to leave them alone.