Maybe you can get her some books or consult with someone, such as a therapist, who can advise her and give her some perspective. It is only dangerous to shave pubic hair when you are drunk or in the dark. It can be uncomfortable when the stubble grows back in. But in modern culture, pubic hair doesn't serve much purpose. One purpose might be the spread of scent.
Hair is a good way to disperse pheromones into the air.
Another purpose might be a lubricant to prevent chafing of the skin when you are walking. I love sex so much that my boyfriend gets mad at me for asking for it too much. No, you are probably not a freak. If you are enthusiastic about sex, maybe you two might have an incompatibility in sexual desire. As long as you are doing it for mutual pleasure and not using it as a drug, then I think it will just be a problem between the two of you.