The idea is simple: You keep a record of all the behaviors you want to establish or abandon and, at the end of each day, you mark which ones you succeeded with. This record can be a single piece of paper, a journal, a calendar, or a digital tool, like an app.

Scientists believe that it is impossible to recall the first few years of life. Many of the necessary brain structures for memory have not yet matured at the time. It means that it is physiologically impossible for your brain to remember personal events from infancy.

Any recollections are ...

Training plans and running programs are a great way to keep you disciplined, but you should not prioritise the schedule over how you feel on a day. There will be days when running the hard workout will do more harm than good.

Unfortunately, the only way to know when you sh...