A Stanford-bound teen from Chicago had an uncomfortable conversation with his dentist that led him to pen a Facebook posting that's going viral.

I am sharing Guillermo Camarillo' post because it addresses many of the issues we discuss often on the blog. (On Facebook, Guillermo uses the pseudonym Pomarillo.) You can read more about him on GoFundMe, Linked In and in this news story.)

I also am sharing the 18-year-old's followup Facebook post in which he addresses the negative comments he's received about his posting.

I have no doubt Guillermo not only belongs at Stanford, but that he will do well there majoring in biomedical engineering. He is an AP scholar as a result of his high AP scores.

Good luck to him.

Here is his original post:

As you might imagine, this posting has created a stir and a backlash. While many applaud Guillermo's many accomplishments, others have not been kind or supportive. He chose to respond to their hostility and criticisms by writing: