Nervous

Fertile week is approaching, I'm about to start the OPKs and bd, and I'm nervous.  I know we have a real shot now cause DHs sperm is up, but I don't want to go back to the beginning where I'd get my hopes up so high every month and analyze every twinge and then find out it was all nothing.  I just feel so nervous to go through all this again.  The last few months I was able to mostly block off any feelings toward ttc cause I knew chances were so low for us, but now. We have a real chance.  At least we think we do, don't know for sure about me since they didn't do any tests.. I don't know, I guess I'm just scared it's still not going to work....