I just want to cry all day...

Jennifer • Married. Mother Of 2 Girls. Baby #3 Due Jan2020

I woke up to my period today, according to this calendar I was suppose to start ovulating next week and have my period on Feb 7th BUT my cycles are very irregular so of course it's just a prediction off of my last 3 cycles.... I started crying on the toilet this morning. I'm new to charting, taking my bbt, checking my CM, I just hope it's not too hard for me to conceive