5 weeks after 13 months trying - and a complete worrier.

Margaret
After 13 months of trying, finally got my BFP this Saturday and I am SHOCKED. I was actually about to throw it out and just happened to look down and was like what the what?! Took 2 more to be sure. Took one today. Again. Am I losing it?
I just keep telling myself not to get excited until I go to the Dr in 5 days - that maybe it's in my head? Every cramp I get nervous. Every lack of symptom I get sad - is this normal? My husband called me a pessimist, but I feel like I'm being realistic.