Perhaps I should clarify that I'm talking about both Ni and Ne. A field that allows for a good blend of both.
I have quite a few degrees already from disciplines that are very distant from each other. And I've worked in all of them. And when you have made the experience that you can function easily in a Ni-Te/Ti, a Ne/Se-Fi and a Fi-Te environment - and you still want to grow - then you really start thinking what else is there.
As for steering: I've steered myself deliberately into all those disciplines, knowing that I have deficits in those areas, and with the goal of developing my facilities. My ex thinks I'm crazy for studying courses just to develop my cognitive functions. But I think it's a fulfilling experience.
It's like a roadtrip where you have already seen a few spots and then you ask yourself: What could be a promising destination?