Well, despite starting to spot on Friday I tested this morning and got a solid negative. Today my period began, lightly. Now, here's how this is a fail - it wasn't suppose to come until Tuesday. According to the calculator that alters my average cycle to 28 days putting my next ovulation on the weekend. Go figure. 28 days, why yes, that's on the weekend every time until my body has another fail.
Now, I just booked a vacation, which runs up to the Monday where I would have been ovulating on Tuesday. Now that ovulation would occur on Saturday, Friday if I'm lucky, this month is doomed as I'll not be in town. I tried to schedule "around it" but clearly failed.