Why did we humans win the cosmic jackpot

In Cosmic Jackpot, physicist and cosmologist Paul Davies argues that certain universal fundamental physical constants are precisely adjusted to make life in the Universe possible: that we have, in a sense, won a "cosmic jackpot,"

 

And that conditions are "just right" for life, as in the The Story of the Three Bears. As Davies writes elsewhere, "There is now broad agreement among physicists and cosmologists that the universe is in several respects 'fine-tuned' for life,

 

So why is our porridge just right, the right temperature, the right amount of milk, a tinch of sugar

Why is it just right?