A smile for a smile

Often we forget to smile nowadays. Not just to others but we often have lost the moments when we remembered stuff and smiled to ourselves.
Smile... Something can by default break walls, penetrate awkward silence and for all you know start a conversation.
Here is one such example of what a smile by me did. An image thanks to a smile...

Sizes:
Small: A4: 11.69 X 8.27 inches
Medium: A3: 16.53 X 11.69 inches
Large: 2 X 3 feet : 24 X 36 inches