Coworker crosses the line at baby shower, AITA for kicking her out?

When does a joke cross the line? A man's coworker calls herself his 'work wife' and makes inappropriate jokes at his wife's baby shower. After confronting her, he's left wondering if he was too harsh in kicking her out. In a tight-knit workspace, how do you maintain professionalism while still having fun? This man thought he had made it clear that he wasn't comfortable with the 'work wife' label, but his coworker continued to make jokes that made him and his wife uncomfortable. Was he justified in asking her to leave or should he have handled it differently? The situation raises questions about boundaries in the workplace and how to handle inappropriate behavior from colleagues. Read on for reactions and comments from others on the situation.