Humans are truly monotonous. On a broad scale, we are doing the same thing that our ancestors used to do: eat, sleep, and reproduce. There are no advancements on that front.
There is so much more that our so-called instruments cannot detect. Even radio signals were first detected not too long ago, JC Bose being a pioneer in sending them artificially
Why does an offspring cry? Because it has needs. And those needs need to be fulfilled. The said offspring does not know the ways of the world like its parents do.
Self-love is long-lasting; loving oneself in spite of all your imperfections and quirks allows you to stay immune to these ego-feeding schemes that exist today. Protect yourself, at all costs from these schemes, love yourself, and don't allow anyone's judgment to make you love yourself any lesser.