Preganacy Symptoms rant

AF hasn't come since August. I've been having pg symptoms like crazy...frequently urinating, acid reflux, tired all the time, tender bbs and areolas, back hurts, feeling things shifting around, craving foods I've hated, can't stand the smell of eggs or tobacco smoke, cramping (especially after lifting books, clay, or reaching above my husband and I believe in our heart of hearts that I am pregnant, but all I've gotten are BFNs...tired of negative tests