Key flaw in this guys argument (Score 1)

The main flaw in this guys argument that I see is brought on by the fact(?) by einstein that matter cannot be created or destroyed. Being that it can't be destroyed, after the universe slows its expansion, it will eventually contract due to small amounts of gravity. Everything comes back to the center, bang(part two), and everything happens again. Now this make happen over trillions and trillions and trillions and trillions of years, but being that matter can't be destroyed, it doesn't matter. For all intensive purposes it happends infinite times, thus giving the probability of anything happining, a 100% likelyhood, over 'time'. Even it life is very very very very rare, all that means is that it will still pop up infinite times over infinite years (%probablity times infinity equals infinity). 'were rare... hey didn't you say that in your last life?'