If someone finds some feature of human existence troubling, what does it mean to say that it's 'not really' that feature that's causing them trouble? Sure, he m

If someone finds some feature of human existence troubling, what does it mean to say that it's 'not really' that feature that's causing them trouble? Sure, he might be happier if he was more stimulated, but that doesn't mean that he wouldn't still be a bit troubled when he took a little time to remember what troubled him before.