It is much closer to what I'm talking about.

Orthonormal writes that in the absence of a Framework of Objective Value, he found he still cared about things (the welfare of friends and family, the fate of the world, the truth of my his beliefs, etc).

In contrast, I find my caring begins fading away. Some values go quickly and go first -- the fate of the world, the truth of my own beliefs -- but other values linger, long enough for me to question the validity of a worldview that would leave me indifferent to my family.

Orthonormal also writes that in response to my hypothetical question about purpose,

If asked, they might answer along the lines of "so that more people can exist and be happy"; "so that ever more interesting and fun and beautiful patterns can come into being"; "so that we can continue to learn and understand more and more of the strange and wonderful patterns of reality", etc. None of these are magical answers;

And none of these are terminal values for me. Existence, happiness, fun and beauty are pretty much completely meaningless to me in of themselves. In fact, the something which causes me to hesitate when I might feel indifference to my family is a feeling of responsibility.

It occurs to me that satisfying my moral responsibility might be a terminal value for me. If I have none; if it really is the case that I have no moral responsibility to exist and love, I'd happily not exist and not love.

Orthonormal, yourself, Eliezer, all seem to argue that value nihilism just doesn't happen. Others concede that nihilism does happen, but that this doesn't bother them or that they'd rather sit with an uncomfortable truth than be deluded. So perhaps it's the case that people are intrinsically motivated in different ways, or that people have different thresholds for how much lack of meaning they can tolerate. Or other 'solutions' come to mind.