As far personality and life history go, it depends upon who enters which cult when. Nobody joins a cult.
People join interest groups which promise to fulfill their needs.
I was no longer even interested in my studies. I felt very lonely and completely misunderstood on all levels. Everything I did or experienced simply came to me as infinitely senseless. I had the constant feeling of always being in the wrong place at the wrong time. That was a state which had already lasted too long.