秘辛
behind-the-scenes story; details known only to insiders
迷信
superstition; to have a superstitious belief (in sth)
另觅新欢
to seek happiness elsewhere (euphemism for extramarital sex); a bit on the side
财迷心窍
mad about money (idiom)
鬼迷心窍
to be obsessed; to be possessed