Is AUTHOR wrong in the post ? POST : Yesterday, I worked retail on Black Friday with a really dry throat and cough.  I brought water to drink throughout the shift, but ran out of water early on.  As a result, my throat got really dry and I resisted coughing in front of customers as much as I could.  At the end of the shift, I  lost most of my voice and also got a cold while walking home from work as well.  I was feeling pretty horrible.

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Fast forward to Saturday morning and I was feeling worse.  My coughing and voice got worse, and had a nose that wouldn't stop running.  All of a sudden, I get a message from my coworker (lets call him anon) asking me to switch shifts with them (meaning I work tomorrow, or Sunday).  Apparently the manager had put anon on Sunday, even though anon made it clear they couldn't work that day.   Being sick and all, I declined, telling anon that I've lost my voice and that I have a really bad cough; I told anon I was really sick.  Yet, anon kept asking me to switch shifts, and I would say no every time.  I even told anon that I also had a midterm to prep for, and anon fired back saying that I would have time to study at night.  In the end, I held my ground and anon finally left me alone.  I was kind of relieved that the argument was over, but at the same time I feel like I really pissed my coworker off.

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So, AITA?