Stop in for a cup of coffee

I found out the Daughter and SIL are coming over tomorrow for dinner. Man we had a hour discussion on skipping this year with anyone. She is not happy with me now. I just dont get whats wrong with the phrase "selfish *****" anyhow?
Kids are PO'd at me cuz I'm flying solo this year. Sorry for ya! I like being safe and cozy at my own place..