Nervous 😟

My husband and I have been TTC since April. We lost our second last December, ruptured tubal. Last month we were late 4 days and tested negative and then AF finally started and when she came, she came with a vengeance. Lol. I didn’t realize til I checked Glow that AF was supposed to show her face today. I want to test but I’m nervous it will be negative and I don’t Know if I can go through the disappointment again. Any advice or similar situations?