Matthew, It is illegal in Queensland,Australia to pierce any person under the age of 18yrs in the nipple or genital areas.

The breast tissue is very sensitive, think of it as your genitals, and how having your genitals periced might feel. You may live near the beach, ie either the sunshine coast of the Gold Coast and want to show off your nipple pericings, please think out it long and hurt, before you do it, some one else mentioned the down side to having your nipples periced