1. The article answers to the need of the person.
2. The article is very entertaining, thus other should also be entertained.
3. The article may answers also to the need of someone within the family, friends or some total stranger whose in need.
1. He will help someone to solve his current problem.
2. He will help someone find clues to solving his problem.
3. He may help someone find some sense of closure to his search.
4. By sharing the post, you may point the person in the right direction.
2. Ask them to share your post; it will also be possible to ask them to share, because you have giving them what they desires.