He’s a serlal killer confessing to you because he can't take it anymore…all of his victims are people he confessed to so there'd be no witnesses..

"I'm so sick of it," Azrael choked out hoarsely, his hands dangling limply at his side. "Sometimes I don't think I can do it anymore."

you stepped forward hesitatingly. "You don't have to."

"But I do." He raised his mellow dark brown eyes to hers. "It isn't a compulsion, It's who I am. Ever since my parents-"