https://www.mercurynews.com/2022/05/04/ask-amy-would-i-be-out-of-line-to-mention-this-kids-distasteful-habit/

Dear Amy: I have a good relationship with extended family and don’t want to jeopardize it.

“Brian” is 15 years old. He is smart, good-looking and very athletic. The problem is that he picks his nose and chews with his mouth open, and his parents don’t seem to care.