I smiled and looked at the two children playing with a pickaxe, they were each holding a heart-shaped candy and it was funny to watch how they cut them, as if they already had in mind the parents' reminder that a candy only and nothing else . Next I turned to four young friends who were constantly taking pictures of themselves. I could clearly see the joy on their faces, their laughter was infectious. Later, I suddenly caught a glimpse of a woman and a man walking while still holding hands. My face echoed as I thought, whatever the two are talking about, only they will understand and understand each...