Growing up, we were all taught to show kindness to our fellow humans. In doing so, we discover that there are people who will take advantage of the selflessness you show them.
This woman opened her home to some friends and family who acted like hotel guests needing service. What frustrated her the most was that she received no thank you or any form of appreciation.
She is now sharing her grievances with the Mildly Infuriating subreddit to vent and get some clarity.