Schizophrenics don't always distinguish between reality and fantasy. Most of my favorite movies blur those lines. Good and evil, as a concept, is subjective. Most of us agree on a general line.
Read up on psychopathy. You probably know more nuts than you think.
Remember all those tales about fewer muscles being required to smile than to frown? Doctors can't verify any such thing. Still, it seems easier to smile and it gets to be a habit. Seems easier to love than to hate, too.
Oh, look at me. I'm babbling again. That's what I do.