First time moms...

Any first time moms having twins feel scared? Don't get me wrong I am very excited to be a mom and have my little bundles but every day that comes closer to my due date the more I get scared. I worry I will be overwhelmed or I won't be able to Breast feed them. I'm sure the nightmares I have been having since being pregnant don't help. Just wondering. If anyone else out there is scared as well!