I just finished my second year. It does get easier. Think of all the things you learned this year that you didn't know. You've now had a taste of the "school of hard knocks". Everything you learned (almost) was learned the hard way.
With each new year, you have new things to try. You have a new bunch of kids (for better or worse), and your confidence in yourself increases. I was a nervous wreck the first year. I stayed at school from 7 am to at least 6 pm everyday (add in an hour commute each way) and would then go home and work another 2-3 hours. Weekends were no relief either.
I didn't save my lesson plans. I threw them out. If I had stayed at the school I started at, I probably would have saved them. Even without the benefit of old things to look at, the second year was MUCH better. I learned from all of my mistakes, I then KNEW what I expected and was better able to communicate it to the students, and I acquired a network of support (both face to face and online). Give it one more year before you decide it isn't for you. Catalogue those things that made you miserable, and write out a goal on how to alleviate those issues.
Best of luck, and keep posting. Talking with other teachers is the BEST way to learn!