No Smiley

I got the Clearblue Easy Digital Ovulation Test but never got a smiley face. 

Rather than think the product is a piece of junk, I worry that my body just wasn't ovulating.  

I have my period every 28 days, so I am the text book example of menstration -- Linked to the Moon's cycles.  Full Moon = Period   New Moon = Ovulation

But I also have PMDD -- Pre-menstral disphoric disorder -- so my