Recently I read a book on sales, called SPIN selling by Neil Rackman. It's a pretty good book that talks about the differences between the traditional methods of selling low-value items and high-value items. I read such books because ultimately, we all need to be good salespeople. Either we need to tout our own horns or persuade someone to do certain things, we ought to be able to sell off an idea to anyone. These days, my young boy starts to get a mind of his own. He seems to realise the theory of the mind, where he discovers that he can form ideas and decision of his own that can be different from others. More and more frequently, he starts to assert his decision onto us, like the times when he doesn't want to go to school or don't want to brush his teeth. That's when I realised that I need to level up my selling and...