Do you ever wonder "what if"?
It seems to me that life is made up of what ifs; all the different paths that you tread through life and all the decisions you have to make that could have led your life in a totally different direction.
Now don't get me wrong, I love my life and wouldn't change it for the world, but on reflection I can see where if I had decided 'this' instead of 'that' a whole different life would have opened up before me with all its own problems and challenges.
It just makes you realise how governed your life is by the little choices you make.
If there is a parallel universe then somewhere there is another me leading all those different lives and making all those different choices with all the alternative outcomes and scenarios - but that is a completely different subject to discuss at a later date!
Silly subject I know but just one of those little things that drifts in and out of your brain and once you get started on the 'what if' thought process you can imagine all sorts of 'other lives' that would or could have been lived.
Something to think about when you've nothing better to do :-)