"Depends entirely upon how you treat yourself." Bill easily answered, brushing his thumb over her chin and cheek. "They've proven that people who have little worries and lots of happiness in their lives are more likely to live longer than those who are prone to worry and strife." He shrugged, "Then again, you're asking a cheater how to play by th'rules." His smile tilted and he kissed her cheek. "A lovely, sweet fairy like you's got a good chance of livin' for a long, long time."