Dopamina: a molécula do desejo

The book emphasizes dopamine's role in everything from love to innovation. I'm curious what led to this specific focus and how the author connected these ideas.

The science is so detailed that I sometimes felt lost, but it also made me want to learn more. How did others process all the complex info without feeling bogged down?

If our motivations are so heavily driven by this molecule, could this knowledge help us make better choices or understand ourselves better?