How do you let go?

My husband is getting his varicocele removed. So far it's the only thing hindering us from getting pregnant for now. It's bad. It's coming out in 1 week. We have been already trying a year and tracking opks bla bla bla. How the heck do I let go and relax after this surgery? I know it's going to take time for him to improve...even up to a year. My heart just hurts already that this path was given to us. I believe in god and I'm trying to know he has us where he needs us. I'm trying to plan vacations and things to keep us enjoying each other and mind off of our circumstances. Any advice?