If this doesn't warm your heart then I don't know what else will cause this is the most heart warming moment caught on video. A nurse from Nashville was comforting an ailing patient in her hospital bed and the video has gone viral. The video shows the nurse singing and also even wiping tears from her face as she sang to her . Grab a box of tissue cause this is a 'cry me a river' moment it's just so sweet of her to do that .