What are the greatest life lessons? | Life and style

What are the most important life classes? Issues like the way to navigate uncertainty, or what garments by no means to clean collectively? What are the most effective life-enhancing secrets and techniques – massive or small – that took years to find and now must be shared? Campbell Norris, by emailPost your solutions (and new questions) under or ship them to nq@theguardian.com. A range will probably be printed subsequent Sunday.