Why Are We Here?

If (and it's a big if) I've learnt one thing in 40 years of marriage, it is that Mrs N must have her science documentaries, and while she watches them I must maintain silence and try to keep the incredulous snorts and head-shaking to a minimum (not easy). Last night it was ever-smiling, ever-awestruck moptop physicist Prof Brian Cox and his Human Universe, this week posing the question Why Are We Here? Quite rightly, Cox did not address this question (which is a religious/philosophical one if it's anything) but set about answering another one: How Come We Got Here? What chains of causality culminated in Us, here and now? 'The life of the Universe,' he declared at one point, 'is just like a game of cricket.'  I see - that would explain a lot...
 Soon he was edging back to his favourite subject, the one that seems to strike most awe into him, however many times he returns to it: those few basic Laws of physics and those Numbers (neither of which exist in themselves) that explain Everything.
 How did it all begin? Cox favours the theory of Inflation - 'eternal' Inflation, no less (eternal?) - which, as he explained it, seems to rely on the presence of some form of energy to set it in motion, i.e. yet again the Something from Nothing conundrum is sidestepped (energy is surely Something, and was Before). Inflation  necessarily implies the creation of a multitude ('infinite' no doubt) of Multiverses, each slightly different. We're the lucky ones - the Human Universe is the 'winning ticket' in the Multiverse lottery. It is also 'inevitable'. 'You are,' concludes Cox, 'because you have to be.' Or in other words (to the tune of Auld Lang Syne) 'We're here because we're here because we're here because we're here. We're here because.... etc, etc.'