National Novel Writer's Month

Hello my name is insert name here... I'm new still trying to understand what exactly Isaac nano but aside from that I'm attempting to embark on a completion of my first novel.... Starting is always a breeze but when I get to the middle I completely freeze suffer from fear if failure and close my laptop and walk away for months at a time. Then I come back start the novel over and repeat the cycle....this time I'm determine to finish something I start even if its a book with w compilation of my many introductions