So I just took a home pregnancy test today and it was positive!!

My husband and I have been trying for 4.5 months to conceive our 1st child and I've had symptoms for a week (nausea, bloating, breast tenderness, spotting, moodiness). So if I'm right I'm 5 weeks and 2 days and my EDD is 7/23/14.
I feel like this isn't real though. Like it's too good to be true. I keep worrying and having anxiety already thinking something might happen or maybe the test was a false positive. Anyone else out there feeling the same way or have the same experience?
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Re: 1st Baby Anxiety
Married - April 2014 | Miscarriage - June 2014
BFP - Oct 2014 - was scheduled for IVF, but discovered we did it naturally instead! - first baby! EDD July 8