How to make life happy psychology in a simple way

Full of hot air, lungs painfully bursting from the chest. Not enough oxygen. His temples pound and his legs are weak. It's definitely not a good day. Pushing off from the balcony of the ninth floor, a young, loving couple of seventeen years fall down before random passers-by. A terrible picture presents itself. And what of their parents? Sadly, what was wrong with them? Their entire lives it seemed were ahead. So why?

For both the girl and the boy, it was a game. Each of them really loved, in general, only themselves. They imagined how their relatives would cry over their beautiful bodies, and how many conversations would be about the love that required such a sacrifice.

Now let's draw another scenario. The girl from her earliest years saw that her mother loved her father. And this love was manifested in actions, in his eyes, and thoughts. Or, for example her father was not loving, but her mother nevertheless did her best to listen and understand her daughter.