Because my day job has been pushing me to my limit. On Saturday I did the same amount of work 3 people would do in 10 hours by myself in 8 hours (+1 hour of catch up) and ended up sleeping most of the rest of that day and Sunday. I was in so much pain I could barely move. At least I made an extra $16 in overtime and got a free lunch! That totally makes up for the awful pain and emotional turmoil.
So yeah, thank my boss for putting off hiring a second part-timer and forcing us to handle more business than we can physically handle. It’s not like this is probably going to cause long term damage to my body.