The Psychopath's Side

"You don't know the reason why am i like this!" Marcel Shawn Gilbuena — is a psychopath, wih no reason why did he go through that, he start his job to kill persons, with no mercy. He saw her experience as a good habit, until a reason why did he go through that makes her realise... What side he's going to? Stay like this forever? Or change himself for the better?