How Does Parentification turn into Hyper-independence?

You were responsible, independent growing up: the “good” kid. But for some reason, that external version of you? It doesn’t match the internal version of you. Inside, you’re scared, anxious, terrified of the next bad thing happening. You desperately want to be connected to others, to get and receive help, but you never find yourself able to do it. Instead, the wrong people come your way, or they don’t “get you,” or that shaming voice in your head just ruins everything good.

What’s going on here?