In need of mental support

So I'm 11 dpo and got a negative pregnancy test. I've been testing for 4 days now and they have all been negative. I see people post positives early all the time and used a first response which is supposed to show sooner. At 5dpo I was cramping like period cramps and was convinced we had done it, I also have a one year old that was laying her head on my belly and rubbing it?! Today is my two year wedding anniversary and all I wanted was to surprise my husband with a gift saying we were expecting again. According to glow if we did conceive my due date would be my birthday! I have my heart so set on this being our time but the negatives are draining me! What are the chances that I could still be pregnant? Anyone else have any insight?