7. Going Back To Fix Your Crappy Life Only Makes It Worse
If your life is just a big old bag of crap, you might be tempted to go back and right those wrongs of your past and it The Butterfly Effect taught us anything (apart from the fact Ashton Kutcher looks like a full-on tramp) it is that this is a truly horrendous idea. Instead of fixing things, he continually made things worse for himself and for the people around him and who knows what other, more global effects meddling with the past might have had? Returning to a future where Susan Boyle is Foreign Secretary is a reality we simply cannot risk from happening. Utilising time travel to fix your rubbish life is basically the equivalent of trying to knock a dent out of your car using a plank of wood with a nail in it.