> Second of all, can anyone explain in PoA how Harry stops the
> dementors 
> the first time round before he goes back in time with Hermione? 
> First 
> he thought it was his dad, but when he goes back he finds out it was 
> himself, and stops them .. .but how did he manage it the first time.  
> I think I have a bad case of Back To The Future here lol.  It's like 
> round robin, without the start!  Does anyone know?

This is one of the more confusing points of time travel that i'm constantly trying to explain to others sense I understand it.  I, however,  always have trouble passing on my understanding but I'll try.  FIrst off you've got to start thinking that the cause happens before the effect.  It's confusing but the effect can sometimes come before the cause, so it actually causes its cause.  Yes I know that is really confusing but it's true.  Once you understand that then the rest is easy.  Harry went back in time and saved himself after going back in time which was the effect of Harry seeing himeself but also the cause of seing himself.  That doesn't help any I'm sure and it's really frusterating because I can't find the right words to explain everything.  The best advice I can give is to not worry about understanding it and just take J.K.'s word for it.


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