First time jitters?

Sarah
I am pregnant with our first, I'm 5 weeks and 3 days currently. I've had some symptoms, cramping (no bleeding) and sore breasts and some queasiness.
Other days I don't really have any symptoms- I find myself going from excited to scared to questioning if it's really happening! I know hormones are probably playing a bigger role here and I've also read too much.... Just can't help but feel so anxious- It seems too good to be true!