Because for one moment, they felt a very human thought:
“G-d hates me.”
That thought was new.
It did not come from truth. It came from fear.
Explore the NextSelf Blog. Start with this post explaining the world of souls. And my Youtube. Content is published to this facebook first and a few days later, to the blog.
The blog lists all the difference patterns to study, understanding patterns is how one can develop 'Daas' [felt knowing].
Update: As awe, trust, and love deepen, they can allow greater openness and intimacy with the Creator. That intimacy can include sadness when you notice how much more of His goodness can be revealed.