That's an interesting question. It seems to me, that a soul who has acquired a lot of spiritual growth, might actually want to keep reincarnating as a way of spreading the nurturing spirit back into the world. Kind of a lead by example type of thing. Not every incarnation has to be about learning lessons for yourself. It could just be about spreading love and joy to a world that needs it. And if you have such a deep association with Quan Yin, it wouldn't surprise me that your soul would actually want to keep coming back just to keep that kind of compassion in the world.

And yes, I have noticed something similar with my past lives that I know about. But mine seem to range between the various aspects of my core spiritual beliefs and strengths.