Jewelry, Roses and Chocolates. Valentine's Day (technically Saint Valentine's Day) is a big deal, and boy do writers know it! The holiday on February 14 has been used a million times in all sorts of media to bring up love and romance. White Day is a similar holiday observed in Japan and South Korea on March 14. In some countries, it's normal to give Valentine's Day cards or gifts to friends, [...] [tvtropes.org]