May 14 every year is also Valentine's Day. If it is May, you still haven't made any progress. Wearing a yellow shirt or a yellow suit to eat yellow curry rice on this day is to tell everyone: "I am still free!" " The best hint. Spring is a pleasant day, and wearing yellow is quite in line with the seasonal atmosphere. May is the season when roses sprout, and the climate is pleasant, so many couples choose this day to take them outdoors for an outing, so May 14 is also called "Rose Valentine's Day".