I could really use a crash course in how to adjust my period in this app. I am set to start today, according to Glow, and set to start next week according to M. Cycles, a much more accurate app I've been using for 4 years. I am somewhat irregular so the need to be able to adjust my period days is apparent, but I seem to always receive some sort of error or warning when I attempt to do so in Glow. Today I tried to indicate that my period had not started today and it told me I can't set a date in the future. When I tried to delete this period cycle alltogether, the app stated that I can't delete a past period. I am using the latest update to Glow on the latest iOS system on an iPhone 6+, if that helps.