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AITAH for telling my coworker I can't babysit her daughter anymore I (f20) am very close with one of my coworkers (f31). She has a very sweet 9 year old daughter. I babysit this daughter most weekends, for free. I also have a lot of pets. Including several fish tanks. My coworker’s daughter has always been super interested in my pets. Wanting to hold, feed, and watch them. One day I noticed a bad smell coming from one of the tanks. I looked around and noticed several dead fish on the floor be