Terrified to have another C section

I'm almost 35 weeks and I'm scheduled to have a c section 1 month from today. I had a lot of complications with my first pregnancy and ended up have a c section after 30 hours of labor. My first son was a month early and my water broke. So with this pregnancy I opted to have a c section due to the complications I expirenced with my first, but I'm absolutely terrified. The closer we get the more excited I get but also the more anxiety I feel. The whole surgery thing freaks me out. And I can't help but think of everything that can go wrong. Any advice to help ease the anxiety?