Rebellions of young people have been recorded for decades, bucking trends and breaking the rules before entering the world of being a boring grown-up.
But a new generation is coming through and truly shocking society.
How? By becoming more sensible.
For example, a survey conducted by the British Pregnancy Advisory Service showed teenagers are becoming less likely to have sex, preferring to spend time with their families and having romantic relationships online.
These graphs show how under-25s are shunning vices that have been - perhaps unfairly - associated with their age group.