In love, engaged, married - disillusioned. After the initial period of passionate love, the high feelings fade for most couples. There are arguments and disappointments. Often, partners eventually come to terms with the situation and live alongside each other without expectations and in frustration. The good news is: couples can actively do something to improve their relationship - reignite passion, make room for fun, and experience togetherness as a comfort zone rather than a battleground. And this can happen even if one partner initially remains passive. "The Emma Principle" offers practical, psychologically grounded, and directly applicable suggestions for a truly great marriage.