He's really sort of the devil. He's completely emotionally detached. He has no empathy. You find that in psychopaths. It's about power with Voldemort. It's an aphrodisiac for him. Power makes him feel alive.
“Do you love me because I'm beautiful, or am I beautiful because you love me?”
“I think of myself as being a relatively intelligent man who is open to a lot of different things and I think that questioning our purpose in life and the meaning of existence is something that we all go through at some point.”