In Mexico, it is believed that wearing red underwear on New Year's Eve will bring good luck and a new love in the upcoming year. This tradition is popular among both women and men, who wear red underwear to attract love and affection in their romantic life. The significance of the color red comes from the belief that it represents passion, fire, and strong emotions, all of which are essential for a strong and lasting relationship. The tradition is widely celebrated in Mexico and has become an integral part of the country's cultural heritage.