I believe that this life is all we have. I don't believe in anything after this, so I think the choices we make here are so important and the relationships we choose are crucial, especially in that time when we are developing ourselves and we're becoming adults.
If I play a villain, I try to find his lightness and his good side. And if I play a hero or a good guy, I'll try to find his darkness or his flaws. Because I don't believe in good and evil. I believe in grays.