It takes some time to readjust when your worldview is shattered. But you're not alone. You have a lot of people here that want to support you on your journey.
Personally, my journey went like this:
Too young for beliefs -> God is clearly imaginary -> Self-identified atheist -> Anti-theist tendencies
Personally, my journey went like this:
Too young for beliefs -> God is clearly imaginary -> Self-identified atheist -> Anti-theist tendencies