Ella vende muy barato los besos. Los besos no se venden.
El compra muy caro los besos. Los besos no se compran.
She sells her kisses cheap, for kisses are not to be sold.
He buys kisses too dearly, for kisses are not to be bought.
You are worth much much more, you are worth the love of God, you are worth marriage (life-long total love)!