ok so i have narrowed my ovulation down😒😒 or so i thought by using obks and using this fertility calendar glow😛 and another one i use which is called flow...anyways i have this site telling me i am ovulating the 14th of this month , & i have the other one telling me i am ovulating the 15th how cann i be sure on my specific day. we inseminate last night using preseed & soft cup method & plan to every night until the 14th..my obks are not super dark but are starting to darken up.. why cant i be like one of those woman who know their bodies😂😂😂 it makes it harder to get this down... PLEASE what would y'all suggest😐😐