You might think me odd for this, but sometimes when I can't sleep, I'll just sit in my living room and go on YouTube and just watch sales presentations for like an hour and a half until I end up getting tired. I should probably be reading, or just making sure that I go to bed on time, but I choose to spend my time doing this instead. In my time, watching hundreds of hours of sales presentations as well as writing them for our own clients, I realised that one of the core themes among the best...