My 68-year-old father says he can’t see himself being 70 years old. Why then are we surprised when a 30-year-old can’t imagine growing old? Our ability to imagine future possible scenarios, or perform ‘mental time travel’, is not only fundamental to who we are, it’s been shown to directly relate to our propensity to save for the future. Specifically, it’s been found that the more connected we currently feel with our idea of ourselves in the future, the more money we are prepared to forego in the present and put aside for the future. The future self as a stranger...