Do we all have a Darkside to our Demeanor?

The last and final saga of the intergalactic war movie STAR WARS finally came to end with Anakin Skywalker metamorphising into evil Darthvader. It does throw some interesting questions whether do we all have a darkside to our goody goody personality, and i think we all do. But we are able to masquerade it so well we dont realise that it very much exists in us. We sometimes feel to break free from the mundane life of ours, we dont want to accept the same old treatmeant or the shit that is put to us .....

Also people have split personality to vent out their frustration and anger which there unable to do so in their real personality so they find a letout which will allow them to do what they can possibly never think of ....

This kind of behavior is supported by the recent study which tells that it is healthy to have one....