Emotion.
The single ingredient that makes Jake buy the beard oil (he doesn’t need) to impress the girl who hasn’t replied to his text in days.
Emotion, when woven into content, creates a connection between the product and prospect.
Without an array of emotions, prospects are not moved to act on what your content is prompting them to do. Creating content without emotions is like having the right recipe, for let’s say, chicken, but not making it tasty enough for a second bite.