Honestly, I didn't realize until I was 2 or 3 years into my job that I was 'allowed' to take a sick day if I was going to spend it all miserable or even crying

Honestly, I didn't realize until I was 2 or 3 years into my job that I was 'allowed' to take a sick day if I was going to spend it all miserable or even crying (I had a coworker who was a bully). Nobody ever actually came out and so, but I realize now that it was pretty common.