Before this, I didn't know gratitude. Of course, I know what gratitude means and how to do it, but I don't. All I know is that teachers often tell us to be grateful to our parents; parents often teach us to be grateful to those who help you. As for the practice, it is nothing more than a "thank you", a smile, or a little material reward. We are "told" to be grateful since childhood, because that is what a good heart needs. However, this formulaic brainwashing leaves me confused - wh...