And your excuse?' I asked. 'I'm a sociopath; I don't have to...

And your excuse?' I asked. 'I'm a sociopath; I don't have to be nice,' Nicky said. I gave him a look. 'You're mad at him.I can feel it; which means I really don't have to be nice to him.' 'I thought you were friends.' 'What part of sociopath didn't you understand?' he asked.