You post a photo of spring, full of colors and harmony, while the other one tells you that spring is hell for those who suffer from allergies...

You post a photo of your dog or cat because you want to share the joy that these lovely creatures give you with many others, while the other one almost stigmatizes you and makes you feel "bad" by reminding you that there are many children in the world who suffer for love and food... You post a photo you took early in the morning by your favorite lake, a photo that fascinated you, and you want to share with your friends, while the other one says: look how badly we have contaminated the lake by not taking care of it... You post a photo of a garden full of colorful and fragrant flowers, and the other one says that the flowers remind him of funerals... Why do people always prefer to see the ugliness over beauty? Why are they so eager to replace the beauty with the gloomy, the happy with the sorrowful?

Is it because they are depressed? Is it because they want to prove that they are supposedly "realistic"? Is it a thirst for attention? Is it because we do not know the ethic of communication so well? Or...?