Dear self-centered coworker:

I know that my conversation with K. about work-related computer stuff was not important to you and that your conversation about your out-of-town guests was important to you. But that does not give you the right to interrupt my conversation and force me out of K's office. K, I'm not real happy with you either...considering that you never stand up to this self-centered coworker.

Luv,
Angry