This is an extremely inappropriate and abnormal situation. It is not healthy at all. Such behavior may involve coercion and non - consensual sexual stimulation, which can cause serious psychological and physical harm to a person.
I'm not sure if there are many specific true stories out there publicly shared in detail about this topic in a widespread way. It's a very private and personal experience that not many would be comfortable sharing openly.
This is a form of abuse. The person should seek help immediately. They can contact the police or a local authority that deals with such cases of coercion and sexual abuse.
There are multiple factors at play. The physical aspect such as the gentleness or firmness of the touch is crucial. A touch that is too rough or too light might not be effective. The woman's state of mind also counts. If she is stressed or distracted, it can be harder to reach orgasm. The environment can be a factor as well. A quiet, comfortable, and private environment can enhance the experience. Moreover, the woman's previous sexual experiences and her own knowledge about her body can influence how she responds to the clit rub from a guy.
Another good topic is about self - discovery. You can talk about how someone overcame their fears and found their true passion in life. It can be inspiring for others who are also on a journey of self - growth.