Depressing negatives

Jessica • My fiance erica and i are trying for a baby through a sperm donor, it will be my first pregnancy!
All I keep getting is neg tests. I feel like I am pregnant have been feeling like it for weeks now, I'm late and everything. All my friends are getting pregnant, I swear everywhere I go everyone's pregnant but me... Its kind of getting depressed. Why can't I just get my bfp! All the symptoms are there its making me crazy