I never learnt to shut up because I was always smarter than everyone else in the room.<p>Now, as an old man, I have little money, few friends, and no significant achievements to be proud of. Just now, when I read this article, I realised that my whole life could have been different if I'd just learnt to stop talking at a few key points, and listened more.<p>I am old, but I am not dead yet.<p>What do you think I should do now?