Welcome, Lily!
When I first started down this path I too was both incredibly excited (by the prospect of my life being better) and incredibly terrified (by the prospect of my life going through a meat grinder). Even though my life is now on a roller coaster, it's still far, far better than it was before, and I can't imagine any other way of living my life. Hopefully you will also find happiness in your journey.
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When I was born, they looked at me and said
what a good boy, what a smart boy, what a strong boy.
.
.
We've got these chains that hang around our necks,
people want to strangle us with them before we take our first breath.
"What a good boy" - Barenaked Ladies