Very new to this, Need some advice please!

Jayme
My husband and I just got married on Saturday 5/2 and I luckily was ovulating as well! We bd 5/2 5/3 AND 5/4. 5/4 was the first and only day in a while I took a digital ovulation test and I was on my peak day! Today 5/5 I woke up early this morning feeling pretty nauseous and took another ovulation test that came up low or negative. I've been sipping water but I still feel pretty nauseous. Could this be a sign or symptom of anything or am I just over excited and anxious to get this process started! And help and advice is welcome!