Am I being paranoid?

With my first pregnancy I didn’t get a pos test until 21dpo (I always ovulate early so I assume my hcg rises slowly) and now I’m 15dpo no AF I ovulated I had a opk spike on the 3rd and spotting on the 10th and I’m getting negative tests but intense symptoms (sore breast that have doubled in cup size, nausea, back pain, creamy white cm since the 7th, bbt is 37.3C, nausea and sleepy af) but I’m so paranoid I’m not pregnant and I barely remember the symptoms of my first pregnancy as it was 3 years ago help