9DPO, 5 days late, BFN.

I'm so close to giving up. We've been actively TTC for awhile and I keep getting heartbroken with all the BFN. For the last 3 days or so, my breasts have been very sensitive and sore. It hurts to wear a bra, hurts to take it off. It hurts to sleep on my stomach. I've been crampy feeling, and feeling very bloated/full. Am I just driving myself crazy? Someone please help!