Is NOBODY wrong in the post ? POST : My birthday is next week. I took that Friday off since I don't have to work that Saturday, so I could have a long weekend. My co-worker sent me a message asking if I could trade Saturday shifts with her (so I'd work the 30th and she'd work the 6th). She didn't say why she needed to trade. I don't actually have any plans but I'd really like to have my weekend free and not have to come back to work after taking Friday off. In fact if I did make the trade I would probably just cancel the PTO I have scheduled. I'm just afraid I'm being overly selfish...

So, would I be the asshole if I told her I couldn't make the trade?