ReflectionWhen you place a ball near the rim of a bowl and you let the ball go then the ball will move towards the opposite side again and again and finally come to rest at the bottom.
I do not think that the author has this in mind.
Anyway what this bowl and ball has to do with the evolution of the universe, specific to explain inflation, is not clear.
ReflectionWhat the text at page 39 indicates is that each bubble starts as a singularity with a Big Bang and ends as a singularity.
What the above sketch indicates is that at this moment there are three universe active. Indicated with the letters I, J and K.
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