There was a period I was reading quite a lot of Chicken Soup for the Soul books. One story stuck out all these years ...

Kid A is walking back home from school one day and saw another kid B ahead of him carrying lots of stuff. He kept on dropping things so kid A ran up and helped kid B carry some of his stuff back home. Fast forward a few years and it was graduation day. Kid B made a speech on behalf of the class and said many years ago he was feeling very lonely and depressed, and decided he would end his life. Before he did that, he wanted to clear out his school locker so he wouldn't have to trouble people after he was gone. As he was walking home that day, carrying all his stuff, he kept on dropping things and a kid from school that he didn't know helped him carry his stuff back home. He felt so grateful that someone cared for him, and changed his mind about taking his own life, continued with his education and made it to graduation. When Kid A heard this, he never realised that a simple act from many years ago would save a life

I love this story. Although I'm not the kindest person on earth, I do appreciate that a simple smile, saying hello or good morning to people doesn't cost me anything, but could potentially mean a lot to some and perhaps make their day.