What I'm struggling with is how I'm being disfellowshipped as 'an act of love.' I'm 18, and not even my own parents will talk to me, let alone my closest friends. I feel completely abandoned.
It is not an act of love.
Now that you are away, it is time to start doing research on the Watchtower. It will take some time and effort but it will help you understand why they act that way. You can start by going to JWFACTS.COM
Welcome by the way.