Image by clevercupcakes via FlickrIt costs nothing - except maybe takes a minute of your time, but can pay you back in loyalty, devotion, respect and admiration.
Would you like to know the secret that can make people your staunchest allies, those who fight for you even when you have given up? the answer is simple and plain APPRECIATION.
What is appreciation? The simple act of recognizing the efforts someone else has put in to make your life better. I cannot think of a more simpler definition.