coping with possible infertility?

Chelsea
How do you manage?
We've been trying for a year.
Doctor says she can't find anything wrong, but I've had one miscarriage at 2 months, and 3 chemical pregnancies. 
AF is about 4 days away, no BFP in sight, but symptoms since 7dpo. Every day I feel a little more worried it won't happen. 
It's just so stressful wondering "what if" each month, and even when I tell myself we should stop trying, or I won't test until late AF, I end up changing my mind.