1) Lie about your age for a guaranteed win, in a Blue Peter competition.
2) Spend a night alone, locked in a large shop.
3) Run up a down escalator. As an adult.
4) Break into your own house.
5) Accidentally take some class A or class B drugs.
6) Have a grafitti conversation with a stranger in a public toilet.
7) Get thrown out of a museum.
8) Get a library fine of more than £12.
9) Accidentally kill someone else's pet.
10) Get a court summons.
11) Try some rooftop van surfing, Teenwolf style.
12) Steal a fake gift from a public Christmas tree. Then give it to a loved one for Christmas.
13) Arrange the pillows in your bed into the shape of a sleeping body, draw a face on a balloon, and cover the whole thing with a duvet. Then go away for a month without telling your partner/housemates.
14) Ride home on a tractor.
15) Work hard at school, get a first class degree from a good university, move to London, stop reading books, stop going out, and spend night after lonely night lying awake in bed wondering which Ghostbuster you would do first.