This is a short story, I came across in a book I am currently reading....
It says a lot in itself.... Enjoy reading.

One day, according to an old story, a man with a serious illness was wheeled into a hospital room where another patient was resting on a bed next to the window. As the two became friends, the one next to the window would look out of it and then spend the next few hours delighting his bedridden companion with vivid descriptions of the world outside. Some days he would describe the beauty of the trees in the park across from the hospital and how the leaves danced in the wind. On other days, he would entertain his friend with step-by-step replays of the things people were doing as they walked by the hospital. However, as time went on, the bedridden man grew frustrated at his inability to observe the wonders his friend described. Eventually he grew to dislike him and then to hate him intensely.
One night, during a particularly bad coughing fit, the patient next to the window stopped breathing. Rather than pressing the button for help, the other man chose to do nothing. The next morning the patient who had given his friend so much happiness by recounting the sights outside the window was pronounced dead and wheeled out of the hospital room. The other man quickly asked that his bed be placed next to the window, a request that was complied with by the attending nurse. But as he looked out the window, he discovered something that made him shake: the window faced a stark brick wall. His former roommate had conjured up the incredible sights that he described in his imagination as a loving gesture to make the world of his friend a little bit better during a difficult time. He acted out of selfless love.

~ A few lines taken from "Who Will Cry When You Die - Robin Sharma"