Want to know why you click with instant attraction for some people and grate with others? Your birthday Sun sign is your Yin and your Moon sign is your Yang. Both need to dance in the same rhythm as your partner for lasting happiness. Your Sun tells you what sparks your interest and your Moon what nurtures you. Too much excitement and too little comforting will be fun while it lasts and fizzle out. Find out your extra dimension which may explain why your relationships have misfired. Even better, since life is never perfect, you'll understand your partner better and help to smooth out the rough edges.