S.E.X.As a teen or emerging adult, dealing with all the changes going on in life, the body, and the mind can be mighty overwhelming. When it comes to sex, everyone seems to have strong feelings and opinions about who a person should be and what they should (shouldn't) do. How does an individual decide who to listen to? Heather Corinna and Scarleteen have provided sex education and information to millions of young people, parents, and mentors since 1998; S.