Robert the Bruce took as his motto, “Try, try, try again”, having watched a spider persevere at spinning its web. Psychologists talk about delayed gratification, being able to wait and work for something better rather than grabbing what you can get now. The ability to do this is a good predictor of success. Working hard towards a goal makes people happier than if they are just given what they want. The trick is in not giving up if it you don’t succeed first time but in finding many different strategies to achieve what you aspire to.