The key to the couple lies in surprise! According to all the sexologists we consulted, to keep the flame alive in a long-term relationship, diversity is essential. Whether it's travel, romantic dinners, or romantic picnics by a lake, any occasion is good. However, it is equally important to spice up your intimate life. And what could be more surprising than a little sensual accessory to arouse each other, titillate and seduce each other!