A childhood belief about teachers

I had a gorgeous young kindergarten teacher who I absolutely adored. A couple times during the school year, she showed up not looking like her beautiful self and seemed kind of grouchy. I was always very suspicious of her on these days because I suspected that she might have been taken over by a nasty pod person. I realize now, with the benefit of age, that she was probably having a bad day and didn't put on make-up on that morning!