I don't understand.

So this is only my first cycle trying, but I've had a lot of symptoms, especially these last few days. I know I could be psyching myself out, but I am normally very in tune with my body. Every test is negative. Starting at 7dpo, I had one day of spotting and cramping followed by 2 days of only cramps, no spotting. From then on I've been really emotional, which I chalked up to my period coming the next week. I am 4 days late and starting 3 days ago, I make breakfast and have to wait until I'm not nauseous anymore to eat it. My boobs hurt, I'm crying nonstop, nausea and food aversions, heightened sense of smell are all things I'm experiencing. Of course every test I take is negative. What is going on! I know they're hard to see in the photo, but I've posted every test in a group asking if theres lines and the consensus is they're all negative, which I have to agree. I know its only the first cycle so I'm trying not to let it drive me crazy but where are all these symptoms coming from!! The only thing i can think of is that perhaps I've ovulated much later than predicted(very possible as I haven't started tracking that) and its too soon to tell, or I'm just not pregnant this cycle and my body is just being weird. EDIT: I forgot to mention that I have pcos. I lost 85lbs and now have a normal cycle. I am aware that hcg levels can take a lot longer in women with pcos to rise enough to be detected but can still cause symptoms with false negatives. I'm really just frustrated and wanted some encouragement and to vent a bit.