if something has a uncertain chorus on something else then that something is trouble for that something else
doing_math is unnatural_thing. thought is not not_necesarily_said_aloud. stuck is being_somewhere. mystery is not book_one_could_read. doubt is uncertainty. thought is not_necesarily_said_aloud. stuck is not being_somewhere. being_somewhere is situation. longing is not emotion. being_somewhere is not situation.