[EtherC]

From a scientific point of view , point 2 changes can largely be attributed to brain chemistry changes and testosterone level dipping. Yes not only mothers are affected. These are Evolutionary adaptations to help propagate the species. Many of us are very much prisoners of our own biology.

Also like what Sadhguru says, children are 20year projects. In Sg , maybe 25 years is more likely. And marriage is by far the most stable social construct we have come up with to sustain these 20+ year projects.