Why can our brain conjure random negative scenarios in our head but doesn’t make accidental random positive scenarios except when doing that voluntarily?

Question

Why can our brain conjure random negative scenarios in our head but doesn’t make accidental random positive scenarios except when doing that voluntarily?

In: Other

Answer 1

Because positive scenarios tend to result in continued survival or benefits, which you don’t really need to be prepared for. Your mind going to the possible negative outcomes is good because you’re able to reason what to do if they were to happen.