All the things you should have thought about when you were 14. Notes to self (14-18) is an attempt to help put an old head on young shoulders. The teenage years are when crucial decisions are made. The teenager is on the cusp of the age of being capable of making their own decisions but still can benefit from input. It's not a list of orders for teenagers to follow. It's a list of areas to think about when making crucial choices. It should generate further reflection when making decisions that are going to have ramifications that will last for potentially decades. It's aimed at both teenagers and those involved in providing advice.