I was on the pill for a few years so never noticed anything wrong with Glow's guess as to when my cycle would begin. I have since gone off the pill and noticed I am getting my period later and having a ~44 day cycle instead of 28. Despite changing my cycle length in the glow settings and my average increasing as I have more months of long cycles, the app still assumes I will have my period on a 30 day cycle. This is annoying as I can't use the calendar accurately now. What gives? Isn't the purpose of the app to learn as you update it and help accordingly?